adj.(尤指对别人的善意)不客气的，失礼的

She was ungracious after winning the tournament, refusing to shake hands with her defeated opponents.
她赢得比赛后态度傲慢，拒绝与落败的对手握手。
His ungracious behavior towards his employees made it difficult for them to respect him as a leader.
他对员工的无礼行为使得他们难以尊敬他作为领导。
The hostess was ungracious when we thanked her for the dinner, making us feel unwelcome.
当我们感谢她的晚餐时，女主人表现得不客气，让我们感到不受欢迎。
After receiving so much help from others, it's disappointing to see someone be ungrateful and unappreciative.
在得到他人这么多帮助后，看到有人不知感恩令人失望。
The ungracious child complained about every little thing, never expressing gratitude for what they had.
这个不懂感恩的孩子对每件事都抱怨，从不感激他们所拥有的。
It's ungracious to ask for a favor and then refuse to do the same in return.
请求帮助后再拒绝回报是不礼貌的。
The ungracious boss never acknowledged or rewarded his hardworking employees, which fueled dissatisfaction among them.
那位不领情的老板从不承认或奖励辛勤工作的员工，这导致了他们的不满。
After being invited to a birthday party, it's ungracious to arrive late without an apology.
被邀请参加生日派对却迟到且没有道歉是不礼貌的。
The athlete's ungracious victory speech left many fans feeling disappointed and disillusioned.
运动员的不谦虚胜绩演讲让很多粉丝感到失望和幻灭。
His ungraciousness in public often overshadowed his genuine kindness behind closed doors.
他在公共场合的不客气常常掩盖了他在私下里的真诚善良。