n feeling of doubt, esp about whether what one is doing is right; misgiving 怀疑（尤指对自己正做的事是否正确）; 疑虑
*He had/felt no serious qualms about concealing the information from the police. 他向警方隐瞒实情而并未感到十分不妥.
n [C usually plural]
a feeling of slight worry or doubt because you are not sure that what you are doing is right
Despite my qualms, I took the job.
The manager has no qualms about dropping players who do not perform well.