In order to master grammar knowledge, it is necessary to practice as much as possible.

为了掌握语法知识，尽可能多做练习是有必要的。

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"Shaolin Kung-fu is difficult," said Master Li, "You must practice every move many times."

“少林功夫很难，”李师傅说，“你必须把每个动作练习很多次。”

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It takes several weeks of off-and-on practice to master the various knife techniques, but once learned they are never forgotten.

你要花上数周的时间不时地练习练习才能掌握各种刀法技巧，但一旦学会就再也不会忘记了。

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But Toyota is pressing ahead anyway, confident that, with practice, it can master fuel-saving technologies more quickly than rivals.

ECONOMIST: How Toyota has seized the initiative

They are persistent and believe that they can develop the ability to master new skills through practice and effort.

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In fighter pilot training school he had to practice twice as hard as others to master the same maneuvers.

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