"a smug glow of self-congratulation"
The smug and silver Trent shall run.
出自：1 Henry IV , Shakespeare
Sleek their heads And smug their countenances.
出自： W. Cowper
Addressing the audience..in the most smug and self-satisfied tone.
出自： C. Kingsley
She wore the smug expression of an expert being watched by the unskilled.
出自： E. Taylor