adj.勉强的,愤恨的,不礼貌的;无礼;
例句:
...his ungracious behaviour during the Queen's recent visit...
女王最近到访期间他的不得体行为
It would be ungracious not to accept your invitation.
盛情难却.
After Anna's kindness to me, I don't want to seem ungracious.
既然安娜已经向我示好,我也不想显得无礼。