老师 lǎoshı̄ teacher 好 hǎo good 你们 nı̌men you 快 kuài quickly 坐 zuò to sit 我们 wǒmen we 开始 kāishı̌ to begin 打开 dǎkāi to open 书 shū book 学生 xuésheng student 同学 tóngxué classmate 学校 xuéxiào school 教室 jiàoshı̀ classroom 上课 shàngkè to attend class 下课 xiàkè to finish class