ㄏㄨㄞˊㄘㄞˊㄅㄨˊˋhuáicái‑búyù

怀才不遇
huáicái‑bùyùㄏㄨㄞˊ ㄘㄞˊ ㄅㄨˋ ㄩˋ
  1. 才能施展機會 懷才不遇仕途困頓」。

to cherish one's unrecognized talents (idiom)​; to have talent but no opportunity, not living up to one's abilities, under-achieving
(expr. idiom.)​ ne savoir où déployer ses talents, ne pas utiliser ses capacités