tīng / dào / lǎo / shī / de / tí / xǐng / hái / zi / men / shā / zhù / jiǎo / bù / ān / jìng / de / zhàn / zài / mén / kǒu

听到老师的提醒，孩子们刹住脚步，安静地站在门口。

After hearing the teacher's reminder, the children stopped and stood quietly at the door.