lǎo shī / yāo qiú / wǒ men / bǎ / zhè / shǒu / qǔ zi / de / màn bǎn / bù fen / duō / liàn xí / jǐ biàn老师要求我们把这首曲子的慢板部分多练习几遍。The teacher asked us to practice the adagio part of this piece several more times.