ˋㄎㄨㄟˋkuìㄈㄨˊㄖㄨˊ

  1. 自感慚愧比不上他人作品自愧弗如。」··情感·》:自製調譜入自愧弗如師事。」自命不凡

to feel ashamed at being inferior (idiom)​