hot button
US /ˈhɑːt ˌbʌt.ən/
UK /ˈhɑːt ˌbʌt.ən/

1.
熱點問題, 敏感話題
a topic or issue that is highly controversial and emotionally charged, often leading to strong reactions or arguments
:
•
Abortion is a hot-button issue in many political debates.
墮胎在許多政治辯論中是一個熱點問題。
•
Bringing up taxes is always a hot-button topic at family gatherings.
在家庭聚會中,提起稅收總是一個熱點話題。