tune up

• • 给(乐器)调弦，定弦；调音：

    All the musical instruments had been tuned up before the concert began.

    音乐会开始前，乐器都调好了。

    The orchestra were beginning to tune up.

    乐队开始调音了。

  • 调整(或调节、检修)(机器等)，使(机器)能正常运转：

    We should have our car tuned up before starting on our trip.

    我们旅行前应先把车调整好。

  • [口语]开始奏(或唱)，奏(或唱)起来；遛嗓子：

    They tuned up and sang a song.

    他们活动了一下嗓子就唱了一首歌。

  • [口语]开始哭(或嚷)，哭(或嚷)起来