King James Version (KJV)
And {he that is} courageous among the mighty shall flee away naked in that day, saith the LORD. {courageous: Heb. strong of his heart}
Modern English
and he who is courageous among the mighty will flee away naked on that day,” says Yahweh.
Hebrew
וְאַמִּ֥יץ לִבּ֖וֹ בַּגִּבּוֹרִ֑ים עָר֛וֹם יָנ֥וּס בַּיּוֹם־הַה֖וּא נְאֻם־יְהוָֽה׃
vʾamiyṣ libvo bagibvoriym ʿarvom yanvs bayvom-hahvʾ nʾum-yhvah