请问：The expression to be in hot water is one of them.to be 是什么成份.

请问：The expression to be in hot water is one of them.to be 是什么成份.
请问：The expression to be in hot water is one of them.to be 是什么成份.

请问：The expression to be in hot water is one of them.to be 是什么成份.
The expression to be in hot water主语
is 谓语
one of them to be 宾语
这里是一个句子
其中to be in hot water 不定式作为修饰词修饰The expression