ESV: Strengthen the weak hands, and make firm the feeble knees.
NIV: Strengthen the feeble hands, steady the knees that give way;
NASB: Strengthen the exhausted, and make the feeble strong.
CSB: Strengthen the weak hands, steady the shaking knees!
NLT: With this news, strengthen those who have tired hands, and encourage those who have weak knees.
KJV: Strengthen ye the weak hands, and confirm the feeble knees.
NKJV: Strengthen the weak hands, And make firm the feeble knees.