Life becomes more challenging and tough for them.

生活对于他们来说变得更加有挑战性，更加艰难。

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As circuit assemblies increase in density, understanding cleanliness data becomes more challenging.

由于电路板组件密度不断增高，对于清洁度数据的理解将变得更加困难。

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As resources spread further away from the central control of the enterprise, risk containment becomes more challenging.

随着资源逐渐脱离企业的集中控制，风险控制变得更富挑战性。

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That motion becomes more challenging when floors and walls are also moving around.

CNN: SHARE THIS

Thanks to this well-crafted exhibition, judging Herod's place in history becomes even more challenging than it already was.

WSJ: Shards of a Reputation | Herod the Great | Israel Museum | By Amotz Asa-El

But that old-fashioned construct is changing rapidly as technology becomes more deeply infused in every facet of business operations and almost every facet of our individual lives, and as a challenging global economy forces companies to wring new revenue out of new ideas.

FORBES: The Strategic CIO Agenda 2013: Strategies, Priorities, and Career-Killers