Meaning of dāng shí:
dāng shí
当时
Adverb
then; at that time; while; at once; right away
Dāngshí wǒmen zài gōngyuán lǐ sànbù.
当时我们在公园里散步。
Then, we were walking in the park.
Tāmen zài jùhuì shí dōu bù zhīdào tā dāngshí yǐjīng líkāi le.
他们在聚会时都不知道她当时已经离开了。
They didn't know she had already left at that time during the party.
Wǒ dāngshí zhèngzài kànshū.
我当时正在看书。
I was reading a book at that time.
Tā shōudào xìn de shíhòu, dāngshí jiù kū le.
她收到信的时候，当时就哭了。
She cried at once when she received the letter.
Tā dàngshí jiù líkāi le fángjiān.
他当时就离开了房间。
He left the room right away.
