close shave
差点儿发生严重事故或失败，但幸运地避免了。
口语·表示侥幸脱险或险些出事
英文释义
a very narrow escape or a near miss
例句
I had a close shave when the ladder slipped, but I managed to grab the railing.
典故来源
源于剃须比喻，指剃刀紧贴皮肤刮胡须，稍有不慎就会割伤，后比喻险些发生事故但幸运避免。