Definition
A very small distance or margin; a narrow escape or near miss.
毫釐之差
The car passed the pedestrian by a hair's breadth.
汽车以毫厘之差从行人旁边经过。
Their opinions differ by only a hair's breadth; they will soon reach a consensus.
他们的意见只有毫厘之差；他们很快就会达成共识。
The project came within a hair's breadth of failure, barely succeeding at the last moment.
这个项目在失败的边缘勉强成功，最后一刻才完成。