资料来源 : pyDict

无表情的脸无表情的脸无表情的无表情地说

资料来源 : WordNet®

deadpan
     adj : deliberately impassive in manner; "deadpan humor"; "his face
           remained expressionless as the verdict was read" [syn:
           {expressionless}, {impassive}, {poker-faced}, {unexpressive}]
     adv : without betraying any feeling; "she told the joke deadpan"