minefield
noun [ C ] uk/ˈmaɪn.fiːld/ us/ˈmaɪn.fiːld/
(BOMBS)
雷区
an area of land or water that contains mines (= bombs)
(PROBLEMS)
（雷区似的）危险形势;隐藏着问题和危险的事物
a situation or subject that is very complicated and full of hidden problems and dangers
a legal minefield 法律上的雷区
a minefield of ethical problems 伦理问题的雷区