"once" in Chinese (Simplified)
一次曾经
Definition
过去的某个时间或某一次。它在某些情况下也可以表示“刚一……就”或“当……时”。
Usage Notes (Chinese (Simplified))
常用于过去时间表达和条件句,如“once you finish”。可以用于正式或非正式场合。不要与“one”或“once in a while”(偶尔)混淆。
Examples
I saw him once in the park.
我在公园里见过他**一次**。
You only need to press this button once.
你只需要按这个按钮**一次**。
She told me this story once before.
她以前给我讲过这个故事**一次**。
Once you finish your homework, you can watch TV.
你**一完成**作业,就可以看电视。
She only met him once, but she remembers it clearly.
她只见过他**一次**,但记得很清楚。
Once upon a time, there was a brave knight.
很久很久以前,有一位勇敢的骑士。