give a hand to sb我帮助他可以说 I give a hand to him那么我们帮助他应该是We give a hand to him还是We give our hands to him.

give a hand to sb我帮助他可以说 I give a hand to him那么我们帮助他应该是We give a hand to him还是We give our hands to him.
give a hand to sb
我帮助他可以说 I give a hand to him
那么我们帮助他应该是We give a hand to him还是We give our hands to him.

give a hand to sb我帮助他可以说 I give a hand to him那么我们帮助他应该是We give a hand to him还是We give our hands to him.
应该是We give a hand to him.句中的hand不是我们肉做的手,而是帮把手,所以用give a hand

把手给某人/帮助某人