1. vt. & vi.潜行　 go quietly and furtively
2. vt. & vi.偷　 steal

　～ an apple　偷苹果
　～ book　偷书
　～ a look　偷看
　～ money　偷钱
　～ around　偷偷绕过
　～ away〔off〕　偷偷溜掉
　～ in　偷偷溜进
　～ out　偷偷溜走
　～ out of　从…溜出
　～ up on　偷偷地向…靠近
　～ about　在…鬼鬼祟祟地转来转去
　～ from　从…偷
　～ into　偷偷溜进…
　～ on　向…汇报…

　He sneaked a look at her as she was passing by.　当她走过时，他偷偷地看了她一眼。
　I want to sneak a look at his book.　我想偷偷地看一看他的书。

　I tried to sneak her some turkey, but the nurse stopped me.　我试图偷偷地送些火鸡肉给她，但被护士拦住了。

 ♣ sneak away〔off〕　(v.+adv.)
　偷偷溜走　leave secretly
　Noticing that there was likely to be trouble, the coward sneaked away.　那个胆小鬼看到要发生骚乱时就偷偷地溜掉了。
　She sneaked away without telling anyone.　她没告诉任何人便悄悄溜走了。
　How did he sneak off in the middle of the meeting without being noticed?　他是怎么在会议中途偷偷溜走而未被人发现的?
　The cat ate the food and sneaked off.　猫吃完食物就溜走了。
 ♣ sneak in　(v.+adv.)
1. （使）偷偷溜进 (cause to) enter a place secretly
　He sneaked in by the back way.　他偷偷地从后面的通道溜进来。
　The boys used to sneak in without paying.　男孩子们过去常常不交钱偷偷溜进去。
　Typhoid fever sneaks in when sanitation fails.　环境卫生搞不好，伤寒就会乘虚而入。
　I'll see if I can sneak you in after dark.　我要看天黑之后能否帮你偷偷溜进去。
2. 以不光明的手段加进去 be able to add (sth, usually spoken or written) in a slightly dishonest manner
　Every time he appears on television, he finds a way to sneak in a mention of his latest book.　他每次在电视上露面的时候都要找机会说说他最近写的书。
 ♣ sneak into　(v.+prep.)
　（使）偷偷溜进…　(cause to) enter a place secretly
　She sneaked into the house after everyone was asleep.　大家入睡后，她偷偷溜进屋子。
　The children sneaked the snake into the house.　孩子们偷偷地把蛇带进了屋子里。
 ♣ sneak on　(v.+prep.)
　汇报…　give information about (a guilty person) (to sb in charge)
　The class had an agreement not to sneak on each other to the teacher.　全班同学达成协议，不向老师互相告发。
　She sneaked on her best friend to the teacher.　她向老师告了最好的朋友一状。
 ♣ sneak out　(v.+adv.)
　（使）偷偷溜出　(cause to) leave in a secretive manner
　Let's sneak out the back way.　我们从后面溜出去吧。
　He stole the money and sneaked out of the house.　他偷了钱便溜出了屋子。
　We have to invent a new method for sneaking prisoners out without the guards noticing.　我们必须想出新的办法使囚犯们偷偷溜出去而不被看守发现。
　The soldier was charged with sneaking army food out of the camp.　那个士兵被指控从军营里往外偷运军用食品。
 ♣ sneak up on　(v.+adv.+prep.)
　偷偷地靠近…，向…袭来　come near (sb or sth) gradually and secretively; happen or reach (sb) gradually
　Don't sneak up on me like that! You gave me quite a shock!　别那样偷偷地靠近我，你吓了我一大跳。
　James loves sneaking up on his sister to frighten her.　詹姆斯喜欢偷偷溜到妹妹背后吓她一大跳。
　Darkness was sneaking up on the travellers as they entered the forest.　旅游的人们走进森林时，黑暗渐渐向他们袭来。
　The jewel thief sneaked up on the house without being seen.　珠宝盗窃犯偷偷地向房子靠近而未被发现。

 ♣ sneak, lurk
　这组词都可以表示“偷偷地做某事”。其区别是：sneak强调的是一种动机，即希望保持不被别人注意的状态，不包括所采取的行动，它既可指严重的事件，也可指无害的事情，有时还指恶作剧或怯懦，而很少指构成威胁的犯罪活动；lurk则指秘密的或偷偷摸摸的行为，常有威胁性。