资料来源 : pyDict

自满者;自以为是者;难交往者

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

Smugly \Smug"ly\, adv.
   In a smug manner. [R.] --Gay.

资料来源 : WordNet®

smugly
     adv : in a smug manner; "the bureaucrats explained smugly that the
           facts provided by their own experts show no cause for
           concern"