forbidden

adj.

不允许的，被禁止的；禁用的；

v.

禁止( forbid的过去分词)；

forbidden city紫禁城

forbidden fruit禁果；非法的欢愉

forbidden band[化]禁带

1. There is nothing forbidden in Tantra.
   坦陀罗里面没有什么是可以被禁止的。
2. Charter flips to avoid sanctions have always been forbidden.
   改变执照避免制裁的做法一直是被禁止的。

The Forbidden Abundance of Oxygen in the Sun
On the origin of a low-lying forbidden transition in polyenes and related molecules ☆
High-impedance electromagnetic surfaces with a forbidden frequency band
Infinite secondary building units and forbidden catenation in metal-organic frameworks.
The psychology of the unthinkable: taboo trade-offs, forbidden base rates, and heretical counterfactuals
Comments on "High-impedance electromagnetic surfaces with a forbidden frequency band"[with reply]
Attentional mechanisms in children's devaluation of a forbidden activity in a forced-compliance situation.
Sivenpiper, D. et al.: High-impedance EM surfaces with a forbidden frequency band. IEEE Trans. Micro. Theo. Tech. 47, 2059
Excess BAFF rescues self-reactive B cells from peripheral deletion and allows them to enter forbidden follicular and marginal zone n...
Selected topics on FK 506, with special references to rescue of extrahepatic whole organ grafts, transplantation of "forbidden organ...