她尝试唱歌剧的样子是可笑的。

Her attempt to sing opera was laughable.

我父亲曾在日里当邮差， 夜里则唱歌剧。

My father Bob worked in the post office by day and sang opera at night.

歌剧是，当一个人背后被捅了一刀，他不流血，他唱歌剧。

Opera is when a guy gets stabbed in the back and, instead of bleeding, he sings.