to click (= choose) a symbol to show that you dislike or disagree with something you have read or seen on the internet

Anyone who creates an account can post comments on the topic, and can also upvote or downvote other people's comments. 任何创建了账号的人都可以在该主题上发表评论，还可以对其他人的评论点赞或嫌弃。

Who in their right mind would downvote this video? 头脑正常的人谁会给这段视频点嫌弃？

a symbol that shows someone dislikes or disagrees with something they have read or seen on the internet

The system uses the upvotes and downvotes to generate a kind of map of all the participants in the debate. 该系统利用点赞和嫌弃来为辩论中所有参与者生成一张地图。

This is the most disliked video in the platform's history, beating the previous record of more than 10 million downvotes. 这是该平台历史上最遭人反对的视频，打破了之前超过1000万次嫌弃的记录。