King James Version (KJV)
My knees are weak through fasting; and my flesh faileth of fatness.
Modern English
My knees are weak through fasting; my body has become gaunt, with no fat.
Hebrew
בִּרְכַּ֥י כָשְׁל֗וּ מִ֫צּ֥וֹם וּבְשָׂרִ֥י כָֽחַשׁ מִשָּׁ֑מֶן׃
birkay kashlv miṣvom vbshariy kaḥash mishamen