calm sb./ calm sb.down

问题描述:

calm sb./ calm sb.down
他们有区别没有?
有一个题:
Your friend seems to be upset.You should try to _______.
A.calm down him B.calm him C.clam him down D.clam them down
为什么不能选B.
calm也可以用作及物,calm sb.阿
牛津上也有这种用法

calm down是习惯用法,作为动词是calm和down连在一起用才完整.