unceremonious

形容词 unceremonious:

1. without ceremony or formality
   同义词：unceremonial
2. without due formalities

1. An unceremonious dismissal, as from a job.
   解雇一种非礼节性免职，如从工作上的
2. Their divorce was an unceremoniousaffair.
   他们离婚没有庄重的形式。
3. The dinner was a relaxed, unceremonious occasion.
   那次宴会很轻松，随随便便。