to talk about or look at someone or something in an unkind way that shows you do not respect or approve of him, her, or it嘲笑,讥讽
You may sneer, but a lot of people like this kind of music.你可以嗤之以鼻,但很多人喜欢这种音乐。
She'll probably sneer at my new shoes because they're not expensive.她也许会笑话我的新鞋子,因为买得很便宜。
[ + speech ] "Is that the best you can do?" he sneered.“那就是你最大的能耐了吗?”他嘲笑着说。