ESV: My knees are weak through fasting; my body has become gaunt, with no fat.
NIV: My knees give way from fasting; my body is thin and gaunt.
NASB: My knees are weak from fasting, And my flesh has grown lean, without fatness.
CSB: My knees are weak from fasting, and my body is emaciated.
NLT: My knees are weak from fasting, and I am skin and bones.
KJV: My knees are weak through fasting; and my flesh faileth of fatness.
NKJV: My knees are weak through fasting, And my flesh is feeble from lack of fatness.