動詞 forbid:

1. command against
   同義詞：forbid, prohibit, interdict, proscribe, veto, disallow
2. keep from happening or arising; make impossible
   同義詞：prevent, forestall, foreclose, preclude, forbid

形容詞 forbidden:

1. excluded from use or mention
   同義詞：out, prohibited, proscribed, taboo, tabu, verboten

1. Smoking is forbidden until the plane is airborne.
   飛機升空時禁止吸煙。
2. Army personnel are often forbidden to fraternize with the civilian population.
   軍職人員常被禁止與平民百姓友好往來。
3. Forbidden fruit is sweetest.
   [諺]禁果格外甜。
4. Smoking is forbidden in this office.
   這間辦公室禁止吸煙。
5. He was forbidden to walk into the tabernacle.
   他被禁止走進禮拜堂。
6. Smoking is forbidden. Please extinguish your cigarettes.
   吸煙是禁止的，請你把煙熄掉。
7. Forbidden City is a great magnet for foreign tourists.
   紫禁城對外國旅游者來說是個有巨大吸引力的地方。
8. The Forbidden City is one of the world's greatest works of architecture.
   紫禁城是世界上最偉大的建筑之一。

for.bid.den

v.（動詞）
A past participle of forbid
forbid的過去分詞
adj.Physics （形容詞）【物理學】
Having a low probability of occurrence. Used of quantum phenomena:
被禁止的：具有很小的發(fā)生可能性的。用在量子現象中：
例句：
a forbidden transition.
被禁止的傳播