Meaning trap
call in
request help
to ask someone, especially a professional or expert, to come and help with a problem or situation.
Don't mix these meanings
Same phrase, different job.
to ask someone, especially a professional or expert, to come and help with a problem or situation.
Another meaning of 'call in' is 'visit briefly'; compare the examples to keep the meanings separate.
Hear it in context
Notice where the phrase sounds natural.
We had to call in a plumber when the pipe burst in the kitchen.
When there’s a serious issue at work, it’s common to call in an expert to handle the situation.
Fix the pattern
One small grammar move makes it sound right.
Not: They called in for the police.
Say: They called in the police. / They called the police in.
'Call in' takes the object directly here — no 'for'.
Which sounds natural?
Tap the one a native speaker would say.
'Call in' is the natural verb for bringing in professional help; 'summoned' is formal.
Build natural chunks
Words that usually travel with it.
call in + professional
- the police
- an expert
- the army
- a plumber
Don't confuse it
Related
Other meanings and phrases to compare.
- call in (visit briefly) — Another meaning of 'call in' is 'visit briefly'; compare the examples to keep the meanings separate.