candidly       
adverb  approving uk/ˈkæn.dɪd.li/ us/ˈkæn.dɪd.li/
 率直地,坦诚地,直言不讳地
in a way that is honest and true, especially about something difficult or painful
  I find she is easy to speak to candidly. 我发现和她坦诚地交谈不是难事。 
 He candidly admitted that he was surprised and disappointed.  他坦率地承认,他感到惊讶和失望。 
 See: candid
 - More examples
 - He requested anonymity so that he could talk candidly.
 - Readers presume the writer of a blog is trying to give useful, thoughtful information as candidly as possible.
 - Candidly speaking, if I were him, I would not have waited this long.
 - He candidly judged himself a bad fit for the job.