A: John passed away.

约翰去世了。

B: When? I saw him well last month.

什么时候?上个月我看到他还好好地。

A: Yesterday. He suffered from a serious disease. When he saw the red light, it was too late.

昨天，他得了一场严重的病。当他意识到危险为时已晚。

B: How terrible!

真可怕!