煞有介事
shà​yǒu​jiè​shì

acting serious

  • created sense approved 煞有介事 · shà​yǒu​jiè​shì · acting serious

    煞有介事

    shà​yǒu​jiè​shì

    acting serious

    to make a show of being very much in earnest or to act as if one is taking things very seriously, often in an exaggerated way

    他煞有介事地翻看着那叠无关紧要的文件，仿佛在处理国家大事。

    idiom

    created sense