call in
片語動詞所屬單字call
call in — 片語動詞
1. To ask someone to come and help with a problem.
1.片語動詞
釋義
召來；請求支援
To ask someone to come and help with a problem.
例句
We had to call in a plumber to fix the leak.
The government called in the army to assist after the flood.