tā / jiā / rù / xué / xiào / yuè / tuán / hòu / kāi / shǐ / rèn / zhēn / xué / xí / yǎn / zòu / dī / yīn / guǎn

他加入学校乐团后，开始认真学习演奏低音管。

After joining the school orchestra, he began seriously learning to play the bassoon.