off limits
01
禁止的, 禁区
referring to a place or area where access is restricted or prohibited
例子
Due to safety concerns, access to the abandoned building is strictly off-limits.
出于安全考虑，废弃建筑的入口被严格禁止。
02
禁止的, 禁忌
(of a topic, etc.) prohibited or considered inappropriate for conversation
例子
She quickly learned that her friend 's breakup was off limits as a topic of discussion.
她很快了解到，她朋友的分手是禁止作为讨论话题的。
