Dreye權威釋義|deadpan

n.

a.

毫無表情的；不動聲色的
Some people don't catch his deadpan humor, that makes it even funnier.
有些人不能了解他那種無表情的幽默，因此更有趣。

同義參見:

以上來源於：《英漢大辭典》

adj.

impassive or expressionless.

adv.

in a deadpan manner.

v.

(dead-pans, dead-panning, dead-panned)

say something amusing while affecting a serious manner.

以上來源於：《簡明牛津英語詞典》