King James Version (KJV)
Behold, ye fast for strife and debate, and to smite with the fist of wickedness: ye shall not fast as {ye do this} day, to make your voice to be heard on high. {ye shall...: or, ye fast not as this day}
Modern English
Behold, you fast for strife and contention, and to strike with the fist of wickedness. You don’t fast today so as to make your voice to be heard on high.
Hebrew
הֵ֣ן לְרִ֤יב וּמַצָּה֙ תָּצ֔וּמוּ וּלְהַכּ֖וֹת בְּאֶגְרֹ֣ף רֶ֑שַׁע לֹא־תָצ֣וּמוּ כַיּ֔וֹם לְהַשְׁמִ֥יעַ בַּמָּר֖וֹם קוֹלְכֶֽם׃
hen lriyb vmaṣah taṣvmv vlhakvot bʾegrof reshaʿ loʾ-taṣvmv kayvom lhashmiyʿa bamarvom qvolkem