to move in a quiet, careful way, especially to avoid attracting attention

悄悄地小心行进，蹑手蹑脚地移动:

Johann would creep into the gallery to listen to the singers.

约翰会悄悄溜进楼座去听歌手唱歌。

He crept back up the stairs, trying to avoid the ones that creaked.

他蹑手蹑脚地回到楼上，尽量避开会嘎吱嘎吱响的那几级楼梯。

if something such as an insect, small animal, or car creeps, it moves slowly and quietly

爬行，匍匐;

a caterpillar creeping down my arm

顺着我的胳膊慢慢爬下的毛虫

to gradually enter something and change it

渐渐侵入，逐渐融进:

Funny how religion is creeping into the environmental debate.

很奇怪宗教怎么会融进有关环境的辩论中。

if a plant creeps, it grows or climbs up or along a particular place

〔植物〕攀缘，蔓生:

ivy creeping up the walls of the building

爬满了建筑物墙面的常春藤

if mist, clouds etc creep, they gradually fill or cover a place

〔雾、云等〕弥漫:

Fog was creeping into the valley.

雾慢慢地飘进山谷。

[BrE informal] to be insincerely nice to someone, especially someone in authority, in order to gain an advantage for yourself

卑躬屈膝，巴结奉承:

I'm not the kind of person to creep to anybody.

我不是那种会巴结别人的人。

sb / sth makes my flesh creep, used to say that someone or something makes you feel strong dislike or fear

某人/某事物使我心里发毛（恐惧）:

His glassy stare made my flesh creep.

他那呆滞的盯视使我毛骨悚然。

[informal especially AmE] someone who you dislike extremely

极讨厌的人:

Get lost, you little creep!

走开，你这个讨厌鬼！

[BrE informal] someone who tries to make you like them or do things for them by being insincerely nice to you

献媚者; 奴颜婢膝的人:

Don't try and flatter her – she doesn't approve of creeps.

别试图去奉承她，她不喜欢拍马屁的家伙。

give sb the creeps, if a person or place gives you the creeps, they make you feel nervous and a little frightened, especially because they are strange

〔人或地方〕使某人紧张（害怕）:

That house gives me the creeps.

那房子使我毛骨悚然。

mission / cost / grade etc creep, when something gradually starts to go beyond what it was intended to deal with or include

超越任务范围/超过经费预算/越级等:

He denied that giving civilian tasks to the NATO forces was a case of mission creep.

他否认把平民的任务交给北约军队去做是属于超越任务范围的情况。