hand to hand

adj. 逼近的(一个个传过去的)

例句与用法：

Bucket of water is passed from hand to hand to put the fire out.

人们一桶又一桶传递著水以便把火扑灭。

Buckets of water were passed from hand to hand to put the fire out.

人们一桶又一桶传递著水以便把火扑灭。