n. a person whose occupation is teaching
n. a personified abstraction that teaches
n. 教师, 老师, 导师
1. The teacher gave us homework for the weekend.
老师给我们布置了周末的作业。
2. My favorite teacher always encourages me to do my best.
我最喜欢的老师总是鼓励我尽力而为。
3. The teacher explained the lesson clearly.
老师清楚地讲解了这节课。