Smaller Western Allies struggle to keep up.

那些规模较小的西方盟国也在努力跟上。

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SunTour's struggle to keep up with the market changes was exacerbated by the revalued yen.

山图的斗争，以配合市场的变化了由日元升值加剧。

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You struggle to keep up with the chaotic pace of your life. But you keep falling further behind.

你努力跟上生活混乱的步伐，但却一直被远远甩在后面。

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Adults struggle to keep up with the shifting rules of online etiquette and information sharing.

CNN: Why parents should educate their kids about tech

But bitcoin miners say thieves will struggle to keep up, as coin-generating technology becomes more sophisticated.

BBC: Bitcoin miners hit back at cyber-thieves

But they still struggle to keep up with the latest developments in their fields.

FORBES: In the path of an avalanche