- [countable]
a flat piece of plastic or metal with a row of thin teeth along one side, used for making your hair neat; a smaller version of this worn by women in their hair to hold it in place or as a decoration 梳子；篦子；压发梳 
He just had time to wash his face and drag a comb through his hair before going out. 出门前他刚好有时间洗脸，用梳子梳梳头发。 She ran a comb through her tangled hair. 她用梳子梳理乱蓬蓬的头发。
Oxford Collocations Dictionaryverb + comb- use
- drag
- pull
- …
- a brush and comb
- [countable, usually singular]
the act of using a comb on your hair 梳理（头发） Oxford Collocations Dictionaryverb + comb- could do with
- need
- give something
- …
- [countable, uncountable] (also honeycomb)
a structure of cells with six sides, made by bees for holding their honey and their eggs 蜂巢 - [countable]
the soft red part on the top of the head of a male chicken （公鸡的）鸡冠
Word OriginOld English camb, of Germanic origin; related to Dutch kam and German Kamm.
Idioms
go over/through something with a fine-tooth/fine-toothed comb
to examine or search something very carefully 十分认真地检查；非常仔细地搜查 The police have gone over the house with a fine-tooth comb. 警察仔细检查了这所房子。