kick in

US /kɪk ɪn/
UK /kɪk ɪn/
"kick in" picture
1.

起作用, 生效

to start to have an effect or to become active

:
The medication should kick in within 30 minutes.
藥物應該在30分鐘內起作用
That's when the panic really started to kick in.
那時恐慌才真正開始襲來
2.

出錢, 出力

to contribute money or effort to something

:
Everyone needs to kick in some money for the party.
每個人都需要為派對出點錢
The whole team had to kick in to finish the project on time.
整個團隊都必須出力才能按時完成項目。