musical instruments that you play by hitting them with your hand or an object such as a stick

Drums, tambourines, and cymbals are all percussion instruments. 鼓、铃鼓和铜钹都是打击乐器。

Jean plays the guitar and her brother is on percussion (= plays percussion instruments). 琼弹奏吉他，她弟弟演奏打击乐器。