chip in with something

Từ điển Oxford Advanced Learner 8th

ˌchip ˈin (with sth) derived
(informal)
1. to join in or interrupt a conversation; to add sth to a conversation or discussion
•Pete and Anne chipped in with suggestions.
•+ speech ‘That's different,’ she chipped in.
2. (also ˌchip ˈin sth)to give some money so that a group of people can buy sth together
Syn: ↑contribute
•If everyone chips in we'll be able to buy her a really nice present.
•We each chipped in (with) £5.
Main entry: ↑chip_derived