there is no harm in (sb's) doing sth | it does no harm (for sb) to do sth
used to tell sb that sth is a good idea and will not cause any problems :
He may say no, but there's no harm in asking.
It does no harm to ask.
there is no harm in (sb's) doing sth | it does no harm (for sb) to do sth
used to tell sb that sth is a good idea and will not cause any problems :
He may say no, but there's no harm in asking.
It does no harm to ask.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005