腹はらが黒くろい

expression, i-adjective

black-hearted; scheming; malicious

Describes a person who appears kind on the surface but harbors ill intentions or selfish schemes. Often used to criticize someone's hidden nature.

See also: 腹黒い

• 彼かれはいつも笑え顔がおだけど、腹はらが黒くろいから気きをつけたほうがいい。

  He's always smiling, but he's black-hearted, so you'd better be careful.

• あの政せい治じ家かは腹はらが黒くろいとよく言いわれている。

  That politician is often said to be scheming.