in unison

IPA/ɪn jˈuːnɪsən/
IPA/ɪn jˈuːnɪsən/

in unison — idiom

1. if two or more people do something in unison, they all do it at exactly the same

1.慣用語B2
釋義

if two or more people do something in unison, they all do it at exactly the same moment, so their words or movements line up.

例句

The whole choir bowed in unison as the final note faded away.

movement done at the same moment by a group

When the teacher asked the question, the children shouted the answer in unison.

speaking the same words at once

同義詞
  • together

    plainer; loses the sense of perfect timing

  • simultaneously

    more formal; focuses on the timing, not the coordination

  • as one

    stresses that the group moved like a single body

反義詞

文法句型

[do something] in unison

用法筆記

Most often used of physical movements or chanted words, where the timing is visible or audible. Distinguish from sense 2, which is about people sharing the same opinion rather than the same timing.

常見錯誤

They sang in a unison.
They sang in unison.
💡the phrase takes no article.

2. if people are in unison, they fully agree with each other about something and sp

2.慣用語B2
釋義

if people are in unison, they fully agree with each other about something and speak or act as if they share one view.

例句

For once, the parents and teachers were in unison about the new bedtime rules.

be in unison about [an issue] for full agreement

The board members spoke in unison against the plan to sell the old factory.

speaking with one shared opinion

同義詞
  • in agreement

    plainer and more common in speech

  • of one mind

    more idiomatic; stresses shared thinking

  • united

    broader; can describe lasting unity, not just one decision

反義詞

文法句型

be in unison (on/about something)

用法筆記

Subject is usually a group or two parties who might be expected to disagree; the phrase highlights that they share one position. Distinguish from sense 1, which is about matching timing, not matching opinions.

3. if parts of a system or people work in unison, they combine smoothly so that the

3.慣用語B2
釋義

if parts of a system or people work in unison, they combine smoothly so that the whole thing runs well or a shared goal is reached.

例句

The heart and lungs work in unison to keep fresh blood moving through the body.

parts of a system combining smoothly

The rescue teams worked in unison to pull the trapped hikers to safety.

people combining effort toward one goal

同義詞
反義詞

文法句型

work in unison (with something)

用法筆記

Often used of body organs, machine parts, or teams whose smooth coordination produces a result. Pairs naturally with the verb 'work'. Distinguish from sense 1, which stresses identical timing rather than a shared outcome.