strike up

As the actors began putting on their makeup,the band struck up a tune.

演员开始化装时,乐队奏起乐曲。

She struck up a folk melody on the piano.

她开始用钢琴演奏那首歌。

We immediately struck up a lively conversation.

我们立即愉快地交谈起来。

This is how I struck up an acquaintance with her.

我就是这样和她结为朋友的。

They struck up a friendship on their tour of Egypt.

他们是在埃时成为朋友的。