third rail

US /ˌθɜːrd ˈreɪl/
UK /ˌθɜːrd ˈreɪl/
"third rail" picture
1.

뜨거운 감자, 건드려서는 안 될 문제

a political issue that is so controversial that any politician who dares to broach the topic will suffer a backlash from voters

:
Healthcare reform has become a third rail issue in American politics.
의료 개혁은 미국 정치에서 뜨거운 감자가 되었다.
No politician wants to touch the third rail of social security.
어떤 정치인도 사회 보장의 뜨거운 감자를 건드리고 싶어하지 않는다.