Definition
反复无常 is a four-character idiom that describes someone or something that changes frequently and unpredictably — moods, decisions, weather, or market conditions. It often carries a slightly negative tone, suggesting lack of reliability or stability. Use it as a predicate (这个人反复无常) or attributively (反复无常的天气).
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unpredictablecapriciousfickle (of a person's mood or behavior)changeableerratic (of weather, conditions, etc.)
Examples
- 反复无常，。Tā de xìnggé fǎn fù mó, ràng rén hěn nán xìnrèn.His personality is fickle, making it hard for people to trust him.
- 反复无常，。Zuìjìn tiānqì fǎn fù mó, chūmén zuì hǎo dài bǎ sǎn.The weather has been changeable lately; better bring an umbrella when going out.
- 反复无常，。Gǔshì fǎn fù mó, tóuzīzhě xūyào bǎochí lěngjìng.The stock market is erratic, so investors need to stay calm.
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