Life on Earth will become unsustainable unless population growth is held in check.

地球上的生命将无法延续，除非人口增长得到控制。

《柯林斯英汉双解大词典》

It is also why expectations must be held in check for the coming season.

这也是为什么对新赛季期待有限的原因。

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Between the two plates, stresses build up that are held in check by friction.

压力于两个板块间积聚而受摩擦力抑制。

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The Capitals' power play, which has been surging recently, was held in check on four chances.

WSJ: Stepan's power-play goal lifts Rangers over Caps

And, she says, law enforcement and the judiciary must be beefed up so that corruption is held in check.

NPR: Too Much Power in Karzai's Hands, Critics Say

Discerning voters know that such governmental rent-seekers must be held in check by strong fiscal restraint within their State Constitutions.

FORBES: Strangled By Taxes, Will Michigan Loosen The State's Grip?