To a hair's breadth
精確地, 絲毫不差
?? 詞語組成解析
to
[tu,t?]
prep. 向，朝著;到;關于;屬于;
adv. 朝一個方向的;到某種狀態;關閉;
breadth
[br?dθ]
n. 寬度;寬容;（知識、興趣等的）廣泛;
??? 情景例句
It was a gradual process, involving many factors.
這是個漸進的過程，涉及到方方面面。
Have you seen Mr. Smith recently?
最近你見過史密斯先生嗎？
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
對于噪音問題，需要對大量生活在噪音中的人進行研究，