(TTS發音) 1. begin playing 開始演奏
People won't get up to dance until the band strikes up. 音樂聲起，人們開始跳舞。
The band struck up as soon as the Queen stepped on the shore. 女王一登岸，樂隊就開始奏樂。
2. begin a friendship with sb. 建立起友誼
They struck up an acquaintance with each other on the beach and soon became very friendly. 他們是在海灘上相互認識的，而且很快就建立起了友誼。
By degrees they struck up a friendship. 他們逐漸建立了友誼。
