חָגַר בְּעֹוז מָותְנָיו

ביטוי (אנגלית)

To gird up one's loins valiantly

הגדרה (אנגלית)

Figuratively: to strengthen oneself. To be filled with strength and vigor.

("She girded her loins with strength and strengthened her arms" - Proverbs 17, paraphrase of "The Soldier's Wife")