They hooked him up to the polygraph and began the test.他们把他连接到测谎仪上,开始测试。There's still nothing close to a foolproof lie detector.目前还没有不出错的测谎仪。Both men refused to take a lie detector test.两个人都拒绝接受测谎仪的测试。The murder suspect failed a lie detector test.这个杀人嫌疑犯没有通过测谎仪的测试。