King James Version (KJV)
Strangers have devoured his strength, and he knoweth {it} not: yea, gray hairs are here and there upon him, yet he knoweth not. {here...: Heb. sprinkled}
Modern English
Strangers have devoured his strength, and he doesn’t realize it. Indeed, gray hairs are here and there on him, and he doesn’t realize it.
Hebrew
אָכְל֤וּ זָרִים֙ כֹּח֔וֹ וְה֖וּא לֹ֣א יָדָ֑ע גַּם־שֵׂיבָה֙ זָ֣רְקָה בּ֔וֹ וְה֖וּא לֹ֥א יָדָֽע׃
ʾaklv zariym koḥvo vhvʾ loʾ yadaʿ gam-sheybah zarqah bvo vhvʾ loʾ yadaʿ