do your homework
to study a subject or situation carefully so that you know a lot about it and can deal with it successfully:
It was obvious that she had done her homework and thoroughly prepared for her interview.
Thesaurus: synonyms and related words
Preparing
- batten
- batten down the hatches idiom
- break sb in
- build-up
- calibrate
- draw
- forewarn
- gear
- gird yourself idiom
- groundwork
- homework
- lay the basis/foundations for sth idiom
- lead up to sth
- preparation
- roll
- steel
- suit
- suit up
- work (yourself) up to sth
- work your way around to sth idiom
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