laugh off造句

An actor has to learn to laugh off bad reviews.
演员需学会能对贬斥性评论一笑置之的本事.

The girl was brave enough to laugh off her pain.
这姑娘很勇敢,把痛不当回事.

How do some people manage to laugh off their misfortunes?
有些人对自己遭到的不幸一笑置之,他们是怎样做到这一点的呢 ?