off-limits
adj. 禁止进入的
1. barred to a designated group;
Cream cleansers are totally off limits for oily skin.
油性皮肤不能使用洁面霜。
A one-mile area around the wreck is still off limits.
沉船方圆一英里内仍然禁止进入。
Downing Street has been off limits to the general public since 1982.
从1982年起唐宁街就已禁止公众进入。
Fraternizing with the customers is off-limits.
禁止与顾客过从甚密。
These establishments are off limits to ordinary citizens.
这些建筑禁止普通公民入内。