[wèn xīn wú kuì]
examine oneself, feeling no shame; be free from any compunction; feel [have] no qualms about; feel no qualms upon self-examination; feel one has done one's best upon self-examination; have a good [clear] conscience; have nothing on one's conscience; have nothing to be ashamed of; for conscience's sake; One's heart is in the right place.; peace of conscience; with a clear conscience