泥(どろ)棒(ぼう)を見(み)て縄(なわ)をなう。 To braid the rope only after the thief is caught.It's too late to shut the barn door after the horse is stolen. 単(たん)語(ご):泥(どろ)棒(ぼう)を見(み)る縄(なわ)なう確(かく)認(にん)済(ず)み