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do one's homework

Idioms  
  1. Be well prepared, as in Steve had done his homework before the meeting and could answer all of the client's questions. This usage transfers a school assignment to a broader context. [c. 1930]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At Dumas, that means offering sympathy that a student's parents had a fight the previous night but then insisting on the need to do one's homework anyway.

From Time Magazine Archive