英语释义
1. wise in practical affairs
2. displaying cleverness ingenious
3. clever in concealing one's aims or ends furtive
4. lacking in straightforwardness and candor dissembling
5. lightly mischievous roguish
a sly jest
6. in a manner intended to avoid notice
7. clever in a dishonest way
8. showing that you know a secret
9. both clever and tricky
10. tending to keep secrets and hide intentions
11. mischievous sense 2
There were teachers all over the place, and any kind of fighting or taunting, above a sly pinch … was out.
— Lynne Reid Banks, The Indian in the Cupboard
12. so as not to be seen or caught secretly