卒業

In a sentence

• 私は去年大学を卒業しました。

  I graduated from university last year.

  Here, '卒業' is used as a noun indicating the act of graduating, and it is paired with the verb 'しました' which means 'did' to indicate the completion of graduation.

• 彼は高校卒業後に留学しました。

  He studied abroad after graduating from high school.

  In this sentence, '卒業' is part of a descriptive phrase '高校卒業後' meaning 'after high school graduation'. It frames the context of the timing of the action.

• 彼女はピアノ教室を卒業することにしました。

  She decided to graduate from her piano classes.

  Here, '卒業' is used metaphorically to mean 'finishing or completing' something, in this case, the piano classes, beyond formal education contexts.