I was often rude and ungracious in refusing help.我拒绝接受帮助的时候时常显得粗鲁无礼。It is ungracious of me not to acknowledge your help.你大力帮助而我尚未表示谢意,十分失礼.It would be ungracious not to accept your invitation.盛情难却....
...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.我拒绝接受帮助的时候时常显得粗鲁无礼。It is ungracious of me not to acknowledge your help.你大力帮助而我尚未表示谢意,十分失礼...