铆足劲儿 Traditional 鉚足勁兒 mǎo zú jìn r 🔊 to exert all one's strength + Keep this word Meanings mǎo zú jìn r 鉚足勁兒 to exert all one's strength Its characters 铆mǎoto fasten with a rivet; to rivet足zúfoot; legHSK 6劲jìnstrength儿érchild