短语词组短語hang by a hair 千鈞一發;岌岌可危;搖搖欲墜;危在旦夕hanging by a hair 系於一發;毛式懸掛miss by a hair 一唸之差Hand by a hair 危在旦昔off by a hair 差之毫厘hung by a hair 岌岌可危win by a hair 以毫發之差險勝by a single hair 一點兒 返回 by a hair