陰かげ弁べん慶けい

noun

lion at home but weakling elsewhere; person who is bold only at home

Describes someone who acts tough or assertive at home or in a safe environment but becomes timid or meek outside. Often used critically or humorously.

• 彼かれは家いえでは威い張ばっているけど、外そとでは陰かげ弁べん慶けいだ。

  He acts bossy at home, but outside he's a lion at home and a mouse elsewhere.

• 陰かげ弁べん慶けいにならないように、外そとでも自じ信しんを持もちたい。

  I want to be confident outside too, so I don't become someone who's only bold at home.