vt.

1. 教，讲授；训练[O1][O2][O6][（+to）]
   She taught us how to pronounce those difficult words.

   她教我们如何发这些难字的音。

   I'll teach you to swim.

   我教你游泳。

   Mr. Smith teaches us English.

   史密斯先生教我们英文。

   What are you teaching this semester?

   你这学期教什么课？

2. 教导；使领悟[O1]
   That accident taught them a lesson.

   那次事故给了他们一个教训。

3. 【口】教训，告诫……不要[O2]
   I'll teach you to call him names!

   如果你辱骂他，我就要对你不客气了。

vi.

1. 教，讲授；当老师
   He teaches in Berlin.

   他在柏林教书。

v.

1. impart knowledge to or instruct (someone) in how to do something, especially in a school or as part of a recognized programme.
   ▸give instruction in (a subject or skill).
   ▸cause to learn by example or experience.
2. advocate as a practice or principle.