蔫儿坏

zhè rén niān r huài nǐ yào liú shén

这人蔫儿坏，你要留神。

The guy is a kind of sneaky, so you've got to be careful.

tā niān r huài nǐ yào xiǎo xīn

他蔫儿坏，你要小心。

He is very crafty. You need to be careful.

zhè rén kàn zhe tǐng lǎo shi de qí shí niān r huài

这人看着挺老实的，其实蔫儿坏。

He looks honest, but he is really crooked.