prissily       
adverb  disapproving uk/ˈprɪs.əl.i/ us/ˈprɪs.əl.i/
 拘谨地;一丝不苟地;刻板地
in a way that shows too much care about behaving or dressing correctly
  It was a town of large houses with prissily mown lawns. 那个小镇上都是大房子,草坪修剪得非常漂亮。 
 Her tailored suits are always prissily neat. 她的定制西装总是非常整洁。 
 See: prissy
 - More examples
 - The play was prissily overdramatic.
 - The character he plays is the prissily secretive head of counterintelligence.
 - She waited prissily on the sidelines and pretending not to be impressed.