未雨绸缪天还没下雨先把房屋门窗修好。比喻提前做好准备或预防。英repair the house before it rains; don't have thy cloak to make when it begins to rain;[查看详情]

以防不测防：防备；测：预测。用来防备不曾料想到的事。[查看详情]

遏渐防萌亦作“？渐防萌”。犹言杜渐防萌。[查看详情]

杜渐防微见“防微杜渐”英be precautious beforehand; guard against creepint corruption or malpractice;[查看详情]

渐不可长谓刚露头的不好事物不能容许其发展滋长。[查看详情]

防萌杜渐犹言防微杜渐。[查看详情]

以防万一预防可能的或预期的突然变故。例加强安全检查，以防万一。英just in case; be ready for any eventualities be prepared for all contingencies;[查看详情]