truth serum
noun [ U or C ] uk/ˈtruːθ ˌsɪə.rəm/ us/ˈtruːθ ˌsɪr.əm/
（使人吐露真情的）诱供麻醉药，吐真药
a drug used to make people tell the truth
Investigators considered the use of truth serum to sweat information out of suspected terrorists. 调查人员曾考虑使用诱供麻醉药从恐怖分子嫌疑人身上获取信息。
The CIA experimented with truth serums. 中情局曾试验过吐真药。
- More examples
- Years ago, small amounts of sodium thiopental were sometimes used as a truth serum to make people responsive while being questioned.
- Truth serums were used on World War II spy suspects by agents of the Office of Strategic Services.
- More sophisticated truth serums have included scopolamine and the barbiturates sodium pentothal and sodium amytal.