MEANING/意义
不易
EXAMPLES/列句
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入门不难,深造不易。To cross the threshold is not difficult,but mastery is another question.
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溴化反应较不易发生。Bromination takes place less readily.
COMBINATIONS/组合
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居大不易the life in a big city is difficult
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得来不易not easy to come by,hard to win
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来之不易hard-won; hard-earned