未雨绸缪

未雨绸缪 [wèi yǔ chóu móu]

1. ■ save [lay up] against a rainy day; Don't have thy cloak to make when it begins to rain.; have an anchor to windward; have forethought; In good times provision should be made for bad times.; make hay while the sun shines; make provision for ...; provide [prepare] against a rainy day [rainy days]; provide against the future; provide against the inclemency of the weather; put away for a rainy day; repair the house before it rains; take precautions beforehand; take preventive measures