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

There are those who act "realistically" but assume airs or false bravado, who essentially lie about who they are and see how long they can fool others with their charade .

有些人逼真地演绎，但其实只是装装样子，虚张声势，他们并没有据实告知自己的身份，他们以自己的表演来观察自己嫩愚弄别人多久。

youdao

Invite Laci, Tibor, and Uncle Endre to lunch too, just as you do every other Sunday when you come together to fool about with spirits.

NPR: Excerpt: 'Esther's Inheritance'

The indefatigable Werner Herzog has made a brilliant documentary about an American saint and fool Timothy Treadwell, a failed actor and California surfer who fell in love with the grizzly bears in Alaska and who spent a dozen summers with the bears, usually alone and always unarmed.

NEWYORKER: Grizzly Man