Do you think it is ok to use a lie detector? 你认为用测谎仪好吗?
An instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure, and respiration, often used as a lie detector. 多种波动描记器一种能同时记录诸如心跳、血压和汗液分泌等生理变化的仪器，常被用作测谎器
A debate over this began in 1966 when a lie detector expert, Cleve Backster, connected a plant to a polygraph (lie detector). 这种气味使别的植物警觉起来，意识到敌人来了。可是，这也起到了请求给予现代军事学家所说的“空中支援”的作用。
He tried to varnish over the truth with a lie. 他试图用谎言来掩盖真相。
He is so naive as to believe such a lie. 他竟然幼稚得连这种谎言都相信。