If you describe someone as sardonic, you mean their attitude to people or things is humorous but rather critical.
例句
...a big, sardonic man, who intimidated his students.令學生膽怯的身材魁梧、愛嘲諷人的男人...a sardonic sense of humour.冷嘲式的幽默感
英漢詞典釋義
adj.
嘲笑的;譏笑的
She gave him a sardonic smile.她朝他譏諷地笑了一笑。
英英詞典釋義
Adjective
1. disdainfully or ironically humorous; scornful and mocking;
"his rebellion is the bitter, sardonic laughter of all great satirists"- Frank Schoenberner"a wry pleasure to be...reminded of all that one is missing"- Irwin Edman