vt.

1. 禁止，不許[O1][O2][+v-ing]
   The new law forbids smoking in offices.

   新法律禁止在辦公室抽菸。

   Their father forbade them to go.

   他們的父親禁止他們去。

2. 阻止，妨礙[O2]
   The typhoon forbade sea voyages.

   颱風來了，無法航海。

v.

1. refuse to allow.
   ▸order not to do.
2. make impossible; prevent:
   the cliffs forbid any easy turning movement.
3. [as adj. forbidden] Physics  (of a quantum transition) contrary to a selection rule.