turn danger into safety; head off a disaster 化险为夷
incendiary bomb 烧夷弹
extermination of an entire family (a punishment in ancient times) 夷族
Yi Zhongnian 夷仲年
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)