yīn / yuè / lǎo / shī / ràng / wǒ / men / zǐ / xì / tīng / dī / yīn / dà / tí / qín / de / shēng / yīn

音乐老师让我们仔细听低音大提琴的声音。

The music teacher asked us to listen carefully to the sound of the double bass.