adj.面无表情的，不带感情色彩的，假装正经的
adv.没有表情地
n.一点也不笑的丑角

He delivered the news with a deadpan expression, as if it was the most mundane thing in the world.
他以一种无动于衷的表情讲述这个消息，仿佛这是世界上最普通的事情。
The comedian's deadpan delivery made everyone burst into laughter.
演员用冷幽默的方式讲笑话，引得大家哄堂大笑。
She answered the question in a deadpan manner, leaving no room for interpretation.
她以一本正经的态度回答问题，没有留下任何解读的空间。
Deadpan is a style of humor where the comedian doesn't show any emotion during a joke.
冷幽默是一种表演风格，演员在讲笑话时不会表现出任何情绪。
His deadpan sense of humor never failed to amuse their friends.
他的冷幽默总能让朋友们开怀大笑。
The detective maintained a deadpan expression throughout the interrogation, making it hard to read his thoughts.
警探在整个审讯过程中保持着冷静的表情，让人难以揣测他的内心想法。
The robot's deadpan response was a programmed reaction to customer inquiries.
这个机器人对顾客提问的无动于衷的回答是预先设定好的反应。
After a long day at work, she greeted her husband with a deadpan "How was your day?"
在漫长的一天工作后，她用一种无精打采的语气问丈夫：“你今天过得怎么样？”
The news anchor reported the breaking story with a deadpan demeanor, giving the impression that nothing could shock him.
新闻主播以冷静的态度报道突发新闻，给人一种无论什么情况都不会让他感到惊讶的感觉。
The children found their teacher's deadpan imitation of their principal hilarious.
孩子们觉得老师模仿校长那种无趣的样子非常滑稽。