B-23：break out (occur, happen suddenly) 出现

A:Please tell us the exact time when the big fire broke out.

A:请告诉我们失火发生的确切时间。

B:The exact time? Let me think, You know, it happened at night.

B：确切时间?让我想一想。你知道，火灾是晚上发生的。

A:But we need the exact time, What time?

A:但我们需要知道确切的时间，那是几点钟?

B:Oh, I remember, It was about 10 o'clock. When I was about to go to bed, suddenly I heard "help" outside.

B：噢，我想起来了。那时大约10点半，当我正准备上床睡觉时，突然听见门外有人在喊“救命”。