gāngqín / lǎoshī / ràng / chūxuézhě / xiān / shúxī / jīběn / yīnjiē / zài / liànxí / wánzhěng / qǔmù

钢琴老师让初学者先熟悉基本音阶，再练习完整曲目。

The piano teacher asked the beginners to become familiar with the basic musical scales before practicing complete pieces.