一ひと癖くせ

noun

a peculiar trait; idiosyncrasy; a quirk

Often implies a slightly difficult or stubborn personality trait, not just any characteristic. Commonly used in phrases like 一癖ある or 一癖も二癖もある.

• 彼かれは一ひと癖くせある人じん物ぶつだ。

  He is a person with a peculiar streak.

• あの作さっ家かの作さく品ひんには一ひと癖くせも二ふた癖くせもある。

  That author's works are full of quirks.