smarmily       
adverb  informal disapproving uk/ˈsmɑː.məl.i/ us/ˈsmɑːr.məl.i/
 迎合地,巴结地;过于殷勤地
in a smarmy way (= extremely polite in a way that is annoying)
  "Certainly, sir," he replied smarmily. “当然可以,先生,”他殷勤地回答道。 
 He smarmily hands Eve his business card when he meets her. 当他见到伊芙时,他点头哈腰地向她递上他的名片。 
 See: smarmy
 - More examples
 - He plays a smarmily ambitious TV personality.
 - It takes guts to partner smarmily self-confident ballroom dancing professionals.
 - "I feel privileged to have met you," he said smarmily.