by a hair

常見例句

Stick out the tongue and blow it by a hair dryer.
把舌頭伸出來用吹風(fēng)筒吹干。
From hate to love, to the most crazy love, separated only by a hair in the middle.
從仇恨到愛，到最瘋狂的愛，中間只隔著一根頭發(fā)。——陀思妥耶夫斯基。
Eg. As his health deteriorates, he seems to hang by a hair of regaining his strength .
因為他的健康每下愈況，他似乎很難恢復(fù)精力。

Black women who could not attend her schools could learn the Walker hair care method through a course by mail.
By solving her hair problem, she had found a way to improve her life.
The name was given to them by the American Indians, who saw a resemblance between their dark curly hair and the coat of the buffalo.

On June 26 the House passed the 1, 300-page American Clean Energy and Security Act of 2009 by a hair's margin (219 to 212).
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My guess is that this is the movie that takes home the award for Best Picture and Best Director, winning by a hair-thin margin.
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The Welsh Assembly was set up only after a referendum approved it by a hair's-breadth, and that was after years of devolution campaigning by Labour.
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