by a hair rs breadth

• 差一丝丝； 险些儿； 间不容发地

by a hair rs breadth的用法和样例：

例句

1. She was within a hair's breadth of death.
   她险些儿丧命。
2. I'm a grape, I roll under trampling feet.
   我是一粒葡萄，险些儿被她踩成泥浆。