H-24：have one's heart in one's mouth 提心吊胆

A：I don't date to look after the children now.

A:我现在不敢照看小孩了。

B:Why?

B：为什么?

A:The children always make themselves in danger. I always have my heart in my mouth with them.

A:孩子们总是使他们自己处于危险之中，和他们在一起，我总是提心吊胆的。

B:It's because your children have grown up. and you haven't lived with a child for a long time.

B：也许是因为你的孩子已长大了，你很长时间没有和小孩在一起生活了的缘故吧!