How do you use "Mad as a March hare" in a sentence?

He's mad as a March hare. She was running around mad as a March hare. The whole idea is mad as a March hare.

Mad as a March hare

Q: What does "Mad as a March hare" mean?

Completely crazy; acting wildly irrational. 'Mad as a March hare' describes someone acting completely crazy. Hares behave wildly during their March breeding season, leaping and boxing.

Slang Term British ★★★☆☆ Moderate Casual

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Meaning: Completely crazy; acting wildly irrational.

完全疯了；行为极其不理性。

Completamente loco; actuando de manera totalmente irracional.

完全に狂っている。めちゃくちゃに理性を失って行動すること。

완전히 미친; 극도로 비이성적으로 행동하는.

'Mad as a March hare' describes someone acting completely crazy. Hares behave wildly during their March breeding season, leaping and boxing.

'mad as a March hare（像三月的野兔一样疯）'形容一个人行为完全疯狂。野兔在三月的繁殖季节会疯狂地跳跃和打斗。

'Mad as a March hare' (loco como una liebre en marzo) describe a alguien que actúa de forma completamente alocada. Las liebres se comportan de manera salvaje durante su época de cría en marzo, saltando y boxeando.

「mad as a March hare（三月のウサギのように狂った）」は完全に狂っている人を表します。ウサギは三月の繁殖期に跳ね回ったりボクシングしたりして荒々しく振る舞います。

'Mad as a March hare'는 완전히 미친 듯이 행동하는 사람을 묘사한다. 산토끼는 3월 번식기에 뛰고 싸우며 거칠게 행동하는 것으로 유명하다.

Examples

He's mad as a March hare.
他疯得像三月的兔子。
Está loco como una cabra.
彼は完全にイカれている。
그는 완전히 미쳤다.
She was running around mad as a March hare.
她像疯了一样到处乱跑。
Andaba corriendo como loca.
彼女は狂ったように走り回っていた。
그녀는 미친 듯이 뛰어다녔다.
The whole idea is mad as a March hare.
整个想法简直是疯了。
Toda la idea es una locura.
その考え全体が狂気の沙汰だ。
그 아이디어 전체가 완전히 미친 짓이다.

Pronunciation

/mæd æz ə mɑːtʃ heə/

Usage Guide

Context: craziness, irrational behaviour

Tone: humorous, critical

✓ Do Say

Mad as a March hare
疯得像三月的兔子
loco como una cabra
三月ウサギのように狂っている
3월 토끼처럼 미쳤다
As mad as a March hare
完全疯了
completamente chiflado
完全にイカれている
완전히 미쳤다

Common Mistakes

British expression, popularised by Lewis Carroll

Origin & History

Hares display erratic behaviour during their March mating season—boxing, leaping, and running wildly. This gave rise to the expression, used by Chaucer and popularised by Alice in Wonderland.

Etymology: Hares behave wildly during March mating season

First recorded: Chaucer, 14th century

Cultural Context

Era: Chaucer 14th century, Alice in Wonderland 1865

Generation: All ages

Social background: Universal

Pop culture: Alice in Wonderland; Chaucer

Regional notes: British expression.

Variations

Mad as a March hareMarch hare