cunning, sly

形容詞 sly:

1. marked by skill in deception
   同義詞：crafty, cunning, dodgy, foxy, guileful, knavish, slick, tricksy, tricky, wily

1. She's a sly puss.
   她是個刁滑的姑娘。
2. Don't trust him, he is a sly old fox.
   別相信他，他像老狐貍一樣狡猾。
3. Marked by or done in a deceptive, secret, or sly manner; dishonest and sneaky.
   秘密的，陰險的欺騙性的，秘密的，狡猾的，不誠實的，鬼鬼崇崇的
4. She must have been having lessons on the sly.
   她準是暗地里一直在上課。
5. He is a sly dog.
   他是個狡猾的家伙。