未雨綢繆

Simplified: 未雨绸缪

wèiyǔchóumóu ㄨㄟˋ ㄩˇ ㄔㄡˊ ㄇㄡˊ

    • lit. before it rains, bind around with silk (idiom, from Book of Songs 诗经) fig. to plan ahead
    • to prepare for a rainy day

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Sources