数 half，in the middle，halfway，very little；副 （不完全） partly；名 （姓氏） a surname ；

[例句] 埃利奥特跨过终点线时仅比对手落后半秒钟。 Elliott crossed the finish line just half a second behind his adversary.

[例句] 接触食物前尤其对洗手不能有半点马虎。 Be particularly fastidious about washing your hands before touching food.