deadpan

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++dead·pan /ˈdedpæn/ adjective  EXPRESSION ON somebody'S FACEsounding and looking completely serious when you are saying or doing something funny 故作严肃的，冷面滑稽的deadpan voice/expression etc deadpan humour 冷面幽默

Examples from the Corpus

deadpan• This, and the fact that Mike was a competitor, seemed to get Dmitri edgy: his face went entirely deadpan.• "We're out of gas, so I guess you'll have to walk home, " he said, giving me a deadpan expression.• a deadpan expression• Garcia turns in another soulful-eyed but deadpan performance.• The third lady who wants more than lunch is Bowles, who describes their flight from convention in deadpan style.Origin deadpan (1900-2000) dead + pan “face” ((1900-2000))

dead·pan adjectiveChineseSyllable  

saying are and doing you completely looking or when serious sounding Corpus

deadpan
dead‧pan /ˈdedpæn/ adjectivesounding and looking completely serious when you are saying or doing something funny
    deadpan voice/expression etc
    deadpan humour

dead·panBrE /ˈdedpæn/ 🔊NAmE /ˈdedpæn/ 🔊 adjectivewithout any expression or emotion; often pretending to be serious when you are joking 面无表情的；不带感情色彩的；冷面幽默的◆deadpan humour冷面幽默