trouble spot
noun [ C ] uk/ˈtrʌb.əl ˌspɒt/ us/ˈtrʌb.əl ˌspɑːt/
多事地区，不安定地区；（尤指）政治暴力多发区
a place where trouble, especially political violence, happens regularly
There is increasing demand for the United Nations to intervene in trouble spots throughout the world. 越来越需要联合国对世界各地的不安定地区进行干预。