sly

1. ADJ A sly look, expression, or remark shows that you know something that other people do not know or that was meant to be a secret. (眼神、表情或話語) 會意的

His lips were spread in a sly smile. 他的雙唇在會心的微笑中張開。

2. slylyADV 會意地

Anna grinned slyly. 安娜會意地咧嘴笑了。

3. ADJ If you describe someone as sly, you disapprove of them because they keep their feelings or intentions hidden and are clever at deceiving people. 虛偽的; 狡詐的[表不滿]

She is devious and sly and manipulative. 她陰險、狡詐，而且愛操縱他人。