When your body language communicates reluctance or anxiety, it undercuts the message.

当你的肢体语言传达出不情愿或焦虑的情绪时会削弱信息的传达。

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Because it rarely involves praise and frequently employs criticism, it undercuts morale and job satisfaction.

因为这种风格很少表扬，然而经常批评，故而会打击员工士气和对工作的满意度。

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While this fuels new economic engines such as services and industry, it also undercuts resources needed to grow food.

尽管这助燃了新的经济发动机如服务业和工业，但它也减少了种植粮食所需的资源。

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Georgetown University Security Studies Professor Christine Fair points out corruption concerns policy makers because it undercuts Afghans' support for their government and support among Western nations for the enterprise in Afghanistan.

VOA: standard.2009.11.17

It turns out that, long before the invention of the iPad, Borders was being menaced by this online competitor that undercuts it on price while outperforming it on service and selection.

FORBES: Jesse Jackson Jr. Vs. Apple's iPad

The Mexicans insist that is just plain old US protectionism - that Uncle Sam cannot stomach genuine competition when it undercuts its own industries.

BBC: Mexico: Trade in the shadow of Big Brother

It now undercuts established Bell competitors by as much as half on advertising prices and has a thriving portal site, YellowBook.com.

FORBES: Follow Through