diff --git a/locale/zh_Hant.po b/locale/zh_Hant.po
index 264084a80..78ceadfe9 100644
--- a/locale/zh_Hant.po
+++ b/locale/zh_Hant.po
@@ -10,6 +10,7 @@
 # Jesse Lin <jesselin.com@gmail.com>, 2021
 # pan93412 <pan93412@gmail.com>, 2021.
 # XiaoPanPanKevinPan <sn00151200@gmail.com>, 2021.
+# Thomas <thomaskl2005@gmail.com>, 2021.
 #
 # Translators:
 #
@@ -18,8 +19,8 @@ msgstr ""
 "Project-Id-Version: tenacity 3.0.4\n"
 "Report-Msgid-Bugs-To: emabrey@tenacityaudio.org\n"
 "POT-Creation-Date: 2021-07-25 03:44-0400\n"
-"PO-Revision-Date: 2021-08-02 04:31+0000\n"
-"Last-Translator: XiaoPanPanKevinPan <sn00151200@gmail.com>\n"
+"PO-Revision-Date: 2021-08-19 04:50+0000\n"
+"Last-Translator: Thomas <thomaskl2005@gmail.com>\n"
 "Language-Team: Chinese (Traditional) <https://hosted.weblate.org/projects/"
 "tenacity/tenacity/zh_Hant/>\n"
 "Language: zh_Hant\n"
@@ -19458,3 +19459,300 @@ msgid ""
 msgstr ""
 "這個帶有快速鍵的檔案，包含著不合規定的「快捷鍵重複」——「%s」以及「%s」。\n"
 "匯入已取消。"
+
+#. i18n-hint: "Nyquist" is an embedded interpreted programming language in
+#. Audacity, named in honor of the Swedish-American Harry Nyquist (or Nyqvist).
+#. In the translations of this and other strings, you may transliterate the
+#. name into another alphabet.
+#: src/effects/Effect.h
+msgid "Nyquist"
+msgstr "Nyquist"
+
+#. i18n-hint milliseconds
+#: src/effects/DtmfGen.cpp
+#, c-format
+msgid "%0.f ms"
+msgstr "%0.f ms"
+
+#. i18n-hint milliseconds
+#: src/effects/DtmfGen.cpp
+#, c-format
+msgid "%.0f ms"
+msgstr "%.0f ms"
+
+#: src/effects/DtmfGen.cpp
+#, c-format
+msgid "%.1f %%"
+msgstr "%.1f %%"
+
+#. i18n-hint: day of month, month, year, hour, minute, second
+#: src/effects/Contrast.cpp
+#, c-format
+msgid "%d %s %02d %02dh %02dm %02ds"
+msgstr "%d天 %s月 %02d年 %02d小時 %02d分 %02d秒"
+
+#. i18n-hint: Unless your language has a different convention for ratios,
+#. * like 8:1, leave as is.
+#: src/effects/Compressor.cpp
+#, c-format
+msgid "%.1f:1"
+msgstr "%.1f:1"
+
+#. i18n-hint: Unless your language has a different convention for ratios,
+#. * like 8:1, leave as is.
+#: src/effects/Compressor.cpp
+#, c-format
+msgid "%.0f:1"
+msgstr "%.0f:1"
+
+#: src/effects/ChangeSpeed.cpp
+msgid "78"
+msgstr "78"
+
+#: src/effects/ChangeSpeed.cpp
+msgid "45"
+msgstr "45"
+
+#: src/effects/ChangeSpeed.cpp
+msgid "33⅓"
+msgstr "33⅓"
+
+#: src/commands/HelpCommand.cpp
+msgid "_"
+msgstr "_"
+
+#. i18n-hint JavaScript Object Notation
+#: src/commands/GetInfoCommand.cpp src/commands/HelpCommand.cpp
+msgid "JSON"
+msgstr "JSON"
+
+#: src/ProjectFileIO.cpp src/commands/AudacityCommand.cpp src/effects/Effect.cpp src/effects/nyquist/Nyquist.cpp src/prefs/PrefsPanel.cpp plug-ins/beat.ny
+msgid "Audacity"
+msgstr "Tenacity"
+
+#. i18n-hint: Two, alternate names of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "A♯/B♭"
+msgstr "A♯/B♭"
+
+#. i18n-hint: Two, alternate names of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "G♯/A♭"
+msgstr "G♯/A♭"
+
+#. i18n-hint: Two, alternate names of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "F♯/G♭"
+msgstr "F♯/G♭"
+
+#. i18n-hint: Two, alternate names of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "D♯/E♭"
+msgstr "D♯/E♭"
+
+#. i18n-hint: Two, alternate names of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "C♯/D♭"
+msgstr "C♯/D♭"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "B♭"
+msgstr "B♭"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "A♭"
+msgstr "A♭"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "G♭"
+msgstr "G♭"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "E♭"
+msgstr "E♭"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "D♭"
+msgstr "D♭"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "B"
+msgstr "B"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "A♯"
+msgstr "A♯"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "A"
+msgstr "A"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "G♯"
+msgstr "G♯"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "G"
+msgstr "G"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "F♯"
+msgstr "F♯"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "F"
+msgstr "F"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "E"
+msgstr "E"
+
+#. i18n-hint a proper name
+#: src/FFT.cpp
+msgid "Welch"
+msgstr "Welch"
+
+#. i18n-hint: This is the abbreviation for "Hertz", or
+#. cycles per second.
+#. i18n-hint: Name of display format that shows frequency in hertz
+#: src/FreqWindow.cpp src/effects/ChangePitch.cpp src/effects/Equalization.cpp src/effects/ScienFilter.cpp src/import/ImportRaw.cpp src/widgets/NumericTextCtrl.cpp
+msgid "Hz"
+msgstr "Hz"
+
+#: src/FreqWindow.cpp
+msgid "spectrum.txt"
+msgstr "spectrum.txt"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "C"
+msgstr "C"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "C♯"
+msgstr "C♯"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "D♯"
+msgstr "D♯"
+
+#. i18n-hint: Name of a musical note in the 12-tone chromatic scale
+#: src/PitchName.cpp
+msgid "D"
+msgstr "D"
+
+#. i18n-hint a mathematical function named for C. F. Gauss
+#: src/FFT.cpp
+msgid "Gaussian(a=4.5)"
+msgstr "高斯函數（a=4.5）"
+
+#. i18n-hint a mathematical function named for C. F. Gauss
+#: src/FFT.cpp
+msgid "Gaussian(a=3.5)"
+msgstr "高斯函數（a=3.5）"
+
+#. i18n-hint a mathematical function named for C. F. Gauss
+#: src/FFT.cpp
+msgid "Gaussian(a=2.5)"
+msgstr "高斯函數（a=2.5）"
+
+#. i18n-hint two proper names
+#: src/FFT.cpp
+msgid "Blackman-Harris"
+msgstr "Blackman-Harris"
+
+#. i18n-hint a proper name
+#: src/FFT.cpp
+msgid "Blackman"
+msgstr "Blackman"
+
+#. i18n-hint a proper name
+#: src/FFT.cpp
+msgid "Hann"
+msgstr "Hann"
+
+#. i18n-hint a proper name
+#: src/FFT.cpp
+msgid "Hamming"
+msgstr "Hamming"
+
+#. i18n-hint a proper name
+#: src/FFT.cpp
+msgid "Bartlett"
+msgstr "Bartlett"
+
+#: src/Dependencies.cpp
+#, c-format
+msgid "\"%s\", \"%s\", \"%s\"\n"
+msgstr "\"%s\", \"%s\", \"%s\"\n"
+
+#: src/DBConnection.cpp
+#, c-format
+msgid "(%d): %s"
+msgstr "(%d): %s"
+
+#: src/BatchCommands.cpp src/FileNames.cpp
+#, c-format
+msgid "(%s)"
+msgstr "(%s)"
+
+#: src/AudioIOBase.cpp
+#, c-format
+msgid "%d - %s\n"
+msgstr "%d - %s\n"
+
+#. i18n-hint Tenacity's name substitutes for first and fourth %s, and the second and third %s are the copyright symbol and final year of copyright
+#: src/AboutDialog.cpp
+#, c-format
+msgid "%s %s 1999-%s %s contributors"
+msgstr "%s %s 1999-%s %s 貢獻者"
+
+#: src/AboutDialog.cpp
+msgid "<h3>"
+msgstr "<h3>"
+
+#: modules/mod-nyq-bench/NyqBench.cpp
+msgid "(C) 2009 by Leland Lucius"
+msgstr "(C) 2009 Leland Lucius 作品"
+
+#: modules/mod-nyq-bench/NyqBench.cpp
+msgid "Leland Lucius"
+msgstr "Leland Lucius"
+
+#. i18n-hint: Abbreviation for Giga bytes
+#: libraries/lib-strings/Internat.cpp
+#, c-format
+msgid "%s GB"
+msgstr "%s GB"
+
+#. i18n-hint: Abbreviation for Mega bytes
+#: libraries/lib-strings/Internat.cpp
+#, c-format
+msgid "%s MB"
+msgstr "%s MB"
+
+#. i18n-hint: Abbreviation for Kilo bytes
+#: libraries/lib-strings/Internat.cpp
+#, c-format
+msgid "%s KB"
+msgstr "%s kB"
+
+#: libraries/lib-strings/Internat.cpp
+#, c-format
+msgid "%s bytes"
+msgstr "%s 位元組"