sneak
verb uk/sniːk/ us/sniːk/ sneaked or snuck | sneaked or snuck
(MOVE SECRETLY)
C2 [ I or T, usually + adv/prep ]偷偷地走，潜行；偷带，偷拿
to go somewhere secretly, or to take someone or something somewhere secretly
I managed to sneak in through the back door while she wasn't looking. 我趁她不注意从后门偷偷溜了进来。
Jan doesn't have a ticket but I thought we might sneak her in. 简没有票，但我想我们或许可以把她偷偷带进去。
I thought I'd sneak up on him (= move close to him without him seeing) and give him a surprise. 我打算趁他不注意悄悄走到他身边，吓他一跳。
(TELL SECRETLY)
[ I ] UK slang disapproving告密;（尤指向老师）打小报告
to secretly tell someone in authority, especially a teacher, that someone else has done something bad, often in order to cause trouble
She was always sneaking on other kids in the class. 她总是向老师打小报告，说班里其他孩子的坏话。
Synonym: snitch (TELL SECRETLY)
(LOOK)
sneak a look/glance at someone/somethingC2 很快地悄悄看…一眼
to look at someone or something quickly and secretly
I noticed him sneak a look at what I was writing. 我注意到他悄悄地偷看了一眼我正在写的东西。
sneak
noun [ C ] uk/sniːk/ us/sniːk/
(PERSON)
UK informal disapproving告密者；打小报告者
a person who tells people in authority when someone else does something bad
You told Mrs Cooper that it was me who tipped the paint over, didn't you - you nasty little sneak! 是你告诉了库珀夫人我打翻了油漆，对吗——你这卑鄙的告密者！
Synonyms: fink snitch