- [countable] bunch (of something)
a number of things of the same type which are growing or fastened together 串；束；扎 
a bunch of bananas, grapes, etc. 一把香蕉、一串葡萄等 a bunch of keys 一串钥匙 She picked me a bunch of flowers. 她给我采了一束鲜花。 She put all the flowers together in one big bunch. 她把所有的花扎成一大束。
Oxford Collocations Dictionaryadjective- big
- huge
- large
- …
- in a/the bunch
- bunch of
- [singular] a bunch (of something) (informal, especially North American English)
a large amount of something; a large number of things or people 大量；大批 - [singular] (informal)
a group of people 群体 The people that I work with are a great bunch. 和我一起工作的那些人很不错。 - bunch of somebody
They're a great bunch of people/guys/kids. 他们是一大群人/家伙/孩子。
Extra ExamplesThey are a bunch of amateurs. 他们是一群业余爱好者。 He's been hanging out with a bunch of yobs and hooligans. 他一直和一帮狐朋狗友鬼混。 The members were a genuinely friendly and open bunch. 成员们是真正友好和开放的一群人。 They're a lovely bunch of youngsters. 他们是一群可爱的年轻人。 a bunch of idiots/morons/jerks/losers 一帮白痴／傻瓜／神经病／失败者
Oxford Collocations Dictionaryadjective- diverse
- eclectic
- mixed
- …
- bunch of
- bunches[plural] (British English)
long hair that is divided in two and tied at each side of the head （扎在头两侧的）发辫 
Word Originlate Middle English: of unknown origin.
Idioms
the best of a bad bunch/lot
- (especially British English, informal)
a person or thing that is a little better than the rest of a group, although none are very good 一群（或堆）坏的里较好者；矮子中的将军
the best/pick of the bunch
the best out of a group of people or things 出类拔萃的人（或事物）；精英；精品
get your panties in a bunch (North American English)
(North American English get your knickers in a twist)
- (informal)
to become angry, confused or upset （使）变紧，成皱褶