1. to a hair's breadth : 精确地, 丝毫不差;
2. by a hair's breadth : 差一点儿;
名词
1. 宽度
The breadth of something is the distance between its two sides.
2. 广度;广泛性
The breadth of something is its quality of consisting of or involving many different things.
3. 到处;处处
If you say that someone does something or something happens throughout or across the length and breadth of a place, you are emphasizing that it happens everywhere in that place.
4. see also: hair's breadth
1. the extent of something from side to side
Synonym: width
2. the capacity to understand a broad range of topics
e.g. a teacher must have a breadth of knowledge of the subject
a man distinguished by the largeness and scope of his views
Synonym: comprehensivenesslargeness