be off-limits

基本解释

On the other hand some activities you might expect to be off-limits my be OK—skiing for instance.
另一方面，一些我们想像中禁止的活动却是可行的——比如滑雪。
And with an infant in the house, the usual way husbands and wives make up after a bickerfest may be off-limits, unthinkable, or just plain old inconvenient.
而且家里有个婴儿的情况下，丈夫和妻子平时在暴吵一顿以后采取的讲和方式，这时可能就用不了了，或者很不方便用了。
Anything that could be viewed as front-running would be off-limits, as would any company-specific comments that don't match up exactly to the information in Facebook's registration documents.
任何可能被视为抢跑的行为都是被禁止的。此外，关于公司的任何评论必须与Facebook上市登记文件中的表述完全一致。

"You'd think she'd be off-limits to anything legitimate, " says Josh Richman, a well-known Los Angeles event director.
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To most Americans, something is plainly wrong with a researcher being imprisoned for gathering data deemed only after-the-fact to be off-limits.
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But even when the east Europeans have departed, debating the merits of immigration will no longer be off-limits in polite society.
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