您要查找的是不是：
- He's been drinking whiskey on the sly for thirty years. 他暗中偷喝威士忌酒已有三十年了。
- He practise play the violin regularly. 他有恒地练习小提琴。
- Don't trust him, he is a sly old fox. 别相信他，他像老狐狸一样狡猾。
- Practise throwing the ball into the net. 练习投篮。
- Many people attended the meeting on the sly. 许多人秘密地参加了会议。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- That sly girl managed to get her friend's job. 那个诡诈的女孩设法取得她朋友的工作。
- He will catch at any opportunity to practise English. 他设法抓住一切机会来练英语。
- They exchanged sly looks and smiles. 他们交换会意的眼色和微笑。
- She must have been having lessons on the sly. 她准是暗地里一直在上课。
- You mustn't practise drums while the baby is sleeping. 孩子睡觉时，不要练习打鼓。
- He was a Catholic but didn't practise (his religion). 他那时是天主教徒，但并不实践信仰。
- I need to practise my Italian before my business trip. 我出差之前需要先练习一下意大利语。
- A slow sly smile was creeping around the corners of his mouth. 他的嘴角慢慢露出了诡异的微笑。
- She is having an affair with her Japanese teacher on the sly. 她和她的日文老师偷偷有了恋情。
- The sly cat stole the meat while the cook's back was turned. 淘气的猫趁厨师转身之机偷吃了肉。
- The militiamen often practise shooting. 民兵们经常练习射击。
- The militia practise two or three times a week. 民兵每周训练两三次。
- Read it, if at all, on the sly, to look for their names. (要看的话就偷偷地看，去找一找他们的名字。)
- He whispered slyly to his brother. 他对他弟弟悄悄地耳语。
