hair of the dog

(informal)an alcoholic drink taken to cure a hangover

(非正式)解宿醉的烈酒

a hair's breadth

a very small amount or margin

极小量；间不容发的距离

you escaped death &B{by a hair's breadth}.

你是死里逃生。

in (或 out of) someone's hair

(informal)annoying (or ceasing to annoy) someone

(非正式)惹恼（或不再惹恼）某人

they sent him to America, just to &B{get him out of their hair}.

他们送他去美国，只是图个眼不见为净。

keep your hair on!

(Brit. informal)used to urge someone not to panic or lose their temper

(英，非正式)［用于劝告］保持镇静！别发脾气！别激动！

let one's hair down

(informal)behave wildly or uninhibitedly

(非正式)毫无顾忌；随随便便；不加控制；无拘无束

make someone's hair stand on end

alarm or horrify someone

使某人毛骨悚然

not turn a hair

remain apparently unmoved or unaffected

无动于衷；不动声色

split hairs

make small and overfine distinctions

作过细区分