forbidden

动词 forbid:

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

形容词 forbidden:

1. excluded from use or mention
   同义词：out, prohibited, proscribed, taboo, tabu, verboten

1. Smoking is forbidden until the plane is airborne.
   飞机升空时禁止吸烟。
2. Army personnel are often forbidden to fraternize with the civilian population.
   军职人员常被禁止与平民百姓友好往来。
3. Forbidden fruit is sweetest.
   [谚]禁果格外甜。
4. Smoking is forbidden in this office.
   这间办公室禁止吸烟。
5. He was forbidden to walk into the tabernacle.
   他被禁止走进礼拜堂。
6. Smoking is forbidden. Please extinguish your cigarettes.
   吸烟是禁止的，请你把烟熄掉。
7. Forbidden City is a great magnet for foreign tourists.
   紫禁城对外国旅游者来说是个有巨大吸引力的地方。
8. The Forbidden City is one of the world's greatest works of architecture.
   紫禁城是世界上最伟大的建筑之一。

for.bid.den

v.（动词）
A past participle of forbid
forbid的过去分词
adj.Physics （形容词）【物理学】
Having a low probability of occurrence. Used of quantum phenomena:
被禁止的：具有很小的发生可能性的。用在量子现象中：
例句：
a forbidden transition.
被禁止的传播