无愧: feel no qualms; have a clear conscience; be worthy of 短语和例子当之无愧 be worthy of the name; 问心无愧 feel no qualms upon self-examination; 无愧于人民的信任 prove worthy of the people's trust
自问良心: ask one's own conscience; examine one's conscience
扪心无愧: feel that one has not done anything wrong; feel no qualms upon self-examination; have a good [clear] conscience; one's heart is in the right place