异口同声

HSK 7-9

yìkǒu-tóngshēng

speak with one voice; unanimously

to speak in unison (idiom)

他们异口同声地说这个计划很好。

tāmen yìkǒu-tóngshēng shuō zhège huànzhuàng hěn hǎo。

They all agreed that the plan was good.

他俩异口同声地表示不同意。

tāliǎng yìkǒu-tóngshēng dìbiǎo bùyídìng。

The two of them expressed their disagreement in unison.