Working-class families feel an even keener sense of disappointment.

工人阶级家庭的失望感更加强烈。

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They don't realize that the competition is getting keener and the required standards of work get higher and that their children may not be prepared for the change.

他们没有意识到竞争越来越激烈，所要求的工作标准越来越高，而他们的孩子可能还没有准备好迎接变化。

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Smell is keener in dogs than in humans.

狗的嗅觉比人的嗅觉灵敏。

《新英汉大辞典》

"It is clear that he was keener than the official policy on engaging and negotiating with the Taliban, so that could be connected with it or potentially the new government wanting someone who maybe wasn't as closely linked with the previous government here in the U.K."

VOA: standard.2010.06.22

Most foreign pharmaceutical companies appear keener to acquire Indian companies, or they trade in imported medicines.

BBC: Is Novartis ruling a watershed?

This underscores the keener European investor uncertainty regarding the overall health of the European Union.

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Is this medal chase being made all the keener by a touch of sibling rivalry?

CNN: A Philippine Tale of Two Brothers