- deliberately impassive or expressionless不动声色的, 板着脸的, 面无表情的：
a deadpan expression.
不动声色的表情。
- in a deadpan manner不动声色地：
'That's all right then,' Claire said, deadpan.
“那没关系。”克莱尔一点不动声色地说。
(-panned, -panning)with direct speech
- say something amusing while affecting a serious manner一本正经地说, 故作严肃地说：
'I'm an undercover dentist,' he deadpanned.
“我可是地下牙医,"他一本正经地说。