vt.

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

   她教我們如何發這些困難字的音。

   I'll teach you to swim.

   我教你游泳。

   Mr. Smith teaches us English.

   史密斯先生教我們英文。

   What are you teaching this semester?

   你這學期教什麼課？

2. 教導；使領悟[O1]
   That accident taught them a lesson.

   那次事故給了他們一個教訓。

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

   如果你辱罵他，我就要對你不客氣了。

vi.

1. 教，講授；當老師
   He teaches in Berlin.

   他在柏林教書。

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.