If you fool about with matches, you'll end up getting burned.

如果你摆弄火柴，最后可能烧到自己。

《牛津词典》

Talk about trying to cure warts with spunk-water such a blame fool way as that!

说到用仙水治疣子，那真是个愚蠢的法子！

youdao

One CEO I consulted felt so strongly about it he told me I would be a fool to leave Compaq for Apple.

一个CEO也坚定地告诉我，如果我为了苹果公司离开Compaq是非常愚蠢的。

youdao

Still, the university student plans to open source the full application and invite more auditing before making any claims about its fool-proof security.

FORBES: Crypto.cat Aims To Offer Super-Simple Encrypted Messaging

But in doing so they should not fool themselves about how effective the barriers will be, or--to the extent they do get in the way--how much better they will make life.

FORBES: Magazine Article