hái / zi / men / zài / zǒu / láng / lǐ / cáo / rǎng / lǎo / shī / zhǐ / hǎo / qǐng / tā / men / ān / jìng / xià / lái

孩子们在走廊里嘈嚷，老师只好请他们安静下来。

The children were making a racket in the hallway, so the teacher had to ask them to quiet down.