third rail

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

rel ketiga, isu sensitif

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.
Reformasi layanan kesehatan telah menjadi isu rel ketiga dalam politik Amerika.
No politician wants to touch the third rail of social security.
Tidak ada politisi yang ingin menyentuh rel ketiga jaminan sosial.