vt.

1. （以法令，規定等）禁止[（+from）]
   Smoking is prohibited in the office building.

   辦公樓內禁止抽菸。

2. 妨礙，阻止；使不可能[（+from）][+v-ing]
   The high cost of the machine prohibits its widespread use.

   這機器價格昂貴，很難普及使用。

v.

1. formally forbid by law, rule, etc.
2. prevent.