bounds
[baʊndz]
n.
出界;
界限;
在（某人允许进入的）界限以外;
出格的;
跳跃( bound的名词复数 );
界限;
（球等的）反跳;
例句:
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In male company, perhaps he did overstep the bounds of propriety.
在清一色男性的公司里，可能他的举止确实有失得体。
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The passion of Argentinian football fans knows no bounds.
阿根廷足球迷极为热情。
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Changes in temperature occur slowly and are constrained within relatively tight bounds.
温度变化缓慢，而且局限在相对较小的范围内。
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He shall...bound his Reign With earth's wide bounds.
来自Milton
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Great grab by Branch, but out of bounds.
来自NEWYORKER
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The stupidity of our President knows no bounds.
来自WSJ