It was an embarrassing situation, but she managed to laugh it off.

那个场面很尴尬, 可她一笑摆脱了窘境.

《简明英汉词典》

Whilst I used to laugh it off, I'm now getting irritated by it.

这种事情我从前会付之一笑，但现在开始觉得挺烦的。

柯林斯例句

When we think something is unimportant we laugh it off.

当我们认为某事不足为道时,我们会“一笑置之”.

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Laugh to let it go and move on. Literally laugh it off, you'll feel better.

微笑能使烦心事随风而逝,并且继续前进. 真正做到一笑而过, 将会使你感觉更好.

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