a hair of the dog (that bit one)

【口】解醉酒；用以攻毒的毒。

a hair's breadth

差一点；险些。

bath of a hair

一丘之貉。

get [have] by the short hairs

【口】支配；操纵。

get in [into] (sb's) hair

(a)触怒；激怒(某人)。(b)打岔；捣乱。

harm a hair of sb's head

伤某人一根汗毛。

Keep your hair on！

【口】保持镇静；平心静气。

let one's hair down

【口】随意；不拘谨；完全放松。

make sb's hair curl

使某人惊吓。

make sb's hair stand on end

【口】使人毛发悚然。

not turn a hair

(遇上困境时)毫不动容。

split hairs

过份挑剔；过份专注于细节。

tear one's hair (out)

悲伤或激怒至极；对某事或人非常焦虑；着急。

to a hair

毫厘不差；完全一样。

turn a hair

疲惫；动容。