Expressing “together” with 一齐 and 一同
The adverbs 一齐 and 一同 have the same meaning, but are not always used in the same way.
Both of the adverbs 一齐 
and 一同 have the same meaning “together”.
The adverb 一齐 indicates that everyone completed an action at the same time or in unison.
The adverb 一同 indicates that everyone completed an action at the same time and in the same place. It can also be translated as “alongside”.
We should state them both before the predicate, which is expressed by a verb or a verb phrase.
and 一同 have the same meaning “together”.
The adverb 一齐 indicates that everyone completed an action at the same time or in unison.
The adverb 一同 indicates that everyone completed an action at the same time and in the same place. It can also be translated as “alongside”.
We should state them both before the predicate, which is expressed by a verb or a verb phrase.Scheme
subject
一齐/一同
predicate
Pay attention
We usually use 一齐 and 一同 in written speech.
Examples
往事一齐涌上她的心头
Memories rushed into her mind at once
wǎngshì yìqí yǒng shàng tā de xīntóu
大家一齐动手
Let's do it together
dàjiā yìqí dòngshǒu
他们试图强迫我和他们一同抗议
They tried to force me to protest with them
tāmen shìtú qiǎngpò wǒ hé tāmen yìtóng kàngyì
我们是一同来北京的
We came to Beijing together
wǒmen shì yìtóng lái běijīng de
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