Traditional: 先後
先后 (xiān hòu) means “early or late; priority; in succession; one after another”. It is an HSK 5 Chinese word (traditional 先後) in the HSK 3.0 vocabulary.
他们先后到达了目的地。
Tāmen xiānhòu dàodá le mùdìdì.
They arrived at the destination one after another.
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