ADJ-GRADED 不礼貌的;不友好的 If you describe a person or their behaviour as ungracious, you mean that they are not polite or friendly in their speech or behaviour. 不礼貌的;不友好的 [formal]
...his ungracious behaviour during the Queen's recent visit.
女王最近到访期间他的不得体行为
I was often rude and ungracious in refusing help. [+ in]