资料来源 : pyDict

无诚意地

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Insincerely \In`sin*cere"ly\, adv.
   Without sincerity.

资料来源 : WordNet®

insincerely
     adv : without sincerity; "she congratulated him somewhat
           insincerely" [ant: {sincerely}]