“蔑视法庭”常见的英文表达是 “contempt of court”。
例句：
He was found guilty of contempt of court for refusing to answer questions. （他因拒绝回答问题而被判犯有蔑视法庭罪。）
The judge issued a warning for contempt of court to the disruptive spectator. （法官对扰乱秩序的旁听者发出了蔑视法庭的警告。）