dangerous ground
US /ˈdeɪn.dʒər.əs ɡraʊnd/
UK /ˈdeɪn.dʒər.əs ɡraʊnd/

1.
危险领域, 敏感话题
a situation or topic that is risky, controversial, or likely to cause trouble
:
•
Discussing politics at a family dinner can be dangerous ground.
在家庭聚餐时讨论政治可能是危险领域。
•
He realized he was treading on dangerous ground when he questioned his boss's decision.
当他质疑老板的决定时,他意识到自己正在踏上危险领域。