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“一成不变”,汉语成语,指一经形成,不再改变。亦泛指墨守成规,不知变通。可以翻译为“ be set in one's ways,changeless,inflexible”等。
例句:
世界没有一成不变的东西。Nothing in the world is immutable.
他的面部表情总是一成不变。The expression on his face never changed.
Editor: Jade
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