rebuff
单词辨析：
指不允许某人拥有某物或做某事。
He was denied entry to the country.
他被拒绝进入该国。
She could deny him nothing.
她对他有求必应。
指婉言谢绝他人的帮助、邀请等。
My wife declined Mrs. Green's invitation to dinner.
我夫人谢绝了格林太太的晚宴邀请。
Poor as he was, Mr. Brown declined a large sum of money from the charity.
布朗先生虽然很穷，却谢绝了慈善团体的一大笔捐款。
We agreed to offer him a lift but he declined.
我们同意让他搭车，但是他却谢绝了。
指很不友好地拒绝别人善意的建议或帮助。
She rebuffed all his offers of friendship.
她断然拒绝了他所有的友好表示。
普通用词，指拒绝做某事或接受别人所给之物，作后者解时常可与turn down 换用。
She refused to go there alone.
她拒绝一个人到那里去。
She asked him to come with her, but he refused.
她叫他一起来，但是他拒绝了。
He refused a second cup of coffee.
他谢绝了第二杯咖啡。
The suggestion seems too good to refuse/turn down.
这个建议太好了，让人难以拒绝。
指拒绝接受或考虑某事，或指由于不能让人满意而不接受、不录取等。
They rejected my proposal.
他们否决了我的建议。
He rejected calls for his resignation.
他对要求他辞职的呼声置之不理。
My brother was rejected by the army because of his poor eyesight.
我弟弟因为视力不好未能参军。
相关例句：
Wherever possible they dealt Wanshington's high-handed policy a rebuff.
在可能情形下，他们总把华盛顿的高压政策顶回去。
And she could understand his shrewd caginess, so like her own, his obstinate pride that kept him from admitting his love for fear of a rebuff.
她能够了解他的精明狡诈&跟她自己的那么相像，以及他因为生怕碰壁而不肯承认自己的爱那样一种顽固的自尊心。
His proposals have already been rebuffed by the Prime Minister.
他的提议已经被首相否决了。
She suffered a rebuff from her manager when she raised the matter.
她向经理提出这个问题时碰了一鼻子灰。
His team did, however, find that basophils help rebuff a parasite's second attack, confirming that the cells aid immune memory.
但他的团队确实发现嗜碱性细胞击退了一种寄生虫的二次攻击，证实了这种细胞辅助免疫记忆的功能。
Her offer of help was met with a sharp rebuff.
她主动帮忙，却遭到断然拒绝。