We can be much more effective if we spend our time and focused energy sharpening one knife, and move on to another knife only when the first one has reached its desired outcome.

如果我们花时间和集中精力来磨快一把刀，只有当第一把磨刀满意的程度后再磨另一把的话，那么效率就会大大增加。

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There was only one thing in it—a shining knife.

里面只有一样东西，是一把亮晶晶的刀。

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The computer games itself is only a tool like knife.

电脑游戏是一种像刀一样的工具。

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Your knife can only cut out one of those, and so you do your best.

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For this reason we have decided to offer only pure knife products with appropriate hardware.

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He was the wage-slave version of those dudes who vanish into the wood with only a knife.

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