捫心自問

扪心自问
ménxīnzìwèn
  1. to ask oneself honestly
  2. to search in one's heart

CEDICT

to reflect on oneself; to ask oneself honestly

Wiktionary

捫，按、摸。捫心自問指自我反省檢討。如：「你捫心自問，慚愧不慚愧？」也作「撫心自問」。

重編國語辭典

自我反省檢討。

維基詞典

Entry Composition

1 捫 mén
  1. lay hands on
  2. to cover
2 心 xīn
  1. heart
  2. mind
  3. intention
  4. center
  5. core

classifiers: 顆, 個
3 自問 zìwèn
  1. to ask oneself; to search one's soul
  2. to reach a conclusion after weighing a matter