一齐

duì wu yī qí kāi shǐ xíng dòng

队伍一齐开始行动。

The troops are going into action simultaneously.

quán chǎng yī qí pāi shǒu

全场一齐拍手。

The audience started clapping in unison.

nǐ men bù yào yī qí shuō huà

你们不要一齐说话。

Don't talk at the same time.

dà jiā yī qí gōng zuò

大家一齐工作。

Everybody got to work simultaneously.

yī qí chū dòng

一齐出动

go into action simultaneously

yī qí xiào qi lai

一齐笑起来

break into a laugh together

quán duì yī qí zhàn qi lai

全队一齐站起来。

The whole team stood up as one.