strike up

动词 strike up:

1. start playing
   同义词：sound off
2. begin

1. The band struck up as soon as the President stepped ashore.
   总统一踏上岸，乐队便开始演奏起来。
2. He struck up a conversation with the girl sitting next to him.
   他和坐在他旁边的姑娘开始攀谈起来。