練習

In a sentence

• 毎日ピアノの練習をしています。

  I practice the piano every day.

  In this sentence, '練習' refers to regularly practicing a skill, in this case, piano-playing.

• 試合の前に練習をたくさんしました。

  I practiced a lot before the match.

  Here, '練習' indicates preparation through practice before an event, a sports match in this context.

• 練習が終わったら、一緒に食事に行きましょう。

  Let's go eat together after the practice.

  In this usage, '練習' refers to a specific practice session, which is an organized event.