单复数不同形的名词

　　The children came in two by two.

　　孩子们一对一对地走了进来。

　　He has a way with small children.

　　他很会逗小孩。

　　Sue's back on her feet again after her operation.

　　休手术后又恢复健康了。

　　I've been on my feet all day.

　　我一整天没歇脚。

　　Two men were frozen to death on the mountain.

　　两个男子在山上冻死了。

　　Don't you believe in equality between men and women?

　　难道你不相信男女平等吗？