critic
/ˈkrɪtɪk; `krɪtɪk/ n
1 person who expresses a low opinion of sb/sth, points out faults in sb/sth, etc 批评者
I am my own severest critic. 我是个严於律己者.
She confounded her critics by breaking the record, ie They said she would not be able to do so, but she did. 她打破了纪录, 这把批评她的人弄得狼狈不堪.
2 person who evaluates and describes the quality of sth, esp works of art, literature, music, etc 评论员, 评论家（尤指对艺术、 文学、 音乐等作品）
a music, theatre, literary, etc critic 音乐、 戏剧、 文学等评论员
a play praised by the critics 评论家交口称誉的剧本.