天てん下か泰たい平へい

noun, na-adjective, noun which may take the genitive case particle 'no'

world peace; peace throughout the land

Literary or formal expression for a state of universal peace, often used in historical or idealistic contexts. As a yojijukugo, it carries a classical, somewhat grand tone.

• 江え戸ど時じ代だいは天てん下か泰たい平へいの世よの中なかだったと言いわれる。

  The Edo period is said to have been an era of peace throughout the land.

• 天てん下か泰たい平へいを願ねがう気き持もちは今いまも昔むかしも変かわらない。

  The wish for world peace remains the same now as in the past.

na-adjective, noun which may take the genitive case particle 'no', noun

carefree; peaceful; relaxed

Describes a person's easygoing, untroubled state of mind, often implying a lack of awareness of real problems. Can be used humorously or critically. More colloquial than sense 1.

• 彼かれはいつも天てん下か泰たい平へいな顔かおをしている。

  He always has a carefree look on his face.

• 試し験けん前まえなのに天てん下か泰たい平へいで遊あそんでばかりいる。

  Even though exams are coming up, he's totally relaxed and just playing around.