polygraph

测谎器、测谎仪

The suspect agreed to take a polygraph to prove his innocence.

嫌犯同意接受测谎，以证明自己的清白。

测谎测试

She passed the polygraph, but the results were not admitted in court.

她通过了测谎测试，但结果未被法庭采纳。

对…进行测谎多用于美式

All the employees were polygraphed after the documents went missing.

文件失踪后，所有员工都接受了测谎。