“In unison” 是一个实用的短语，用来形容人们在行动、说话或表演时 “步调一致，十分协调”。比如：可以用 “in unison” 形容两个人或一群人 “同时地” 做某事，或 “和谐地” 演唱或演奏。

• The concert was amazing. The two soloists and the choir sang beautifully in unison throughout.
  这场音乐会非常精彩。两位独奏者和唱诗班的齐唱搭配自始至终都很和谐动听。
• The twins are never in unison. They might be identical, but they think very differently!
  这对双胞胎从不合拍。他们可能长相一样，但想法却非常不同！
• The board voted in unison to appoint the new CEO.
  董事会一致投票任命了新的首席执行官。