Undeclared War
... Undeclared or Wrongfully Declared Cargo 未经申报或谎报的货物 Undeclared War 不宣而战 undeclared 未经宣布的 ...
open hostilities without declaring war
jointly (signed, declared, sponsored) 联名; 联名 open hostilities without declaring war 不宣而战; 不宣而战 Potsdam Declaration 波茨坦公告 ..
without a declaration of war
... 溃不成军的幸存者 straggler 不宣而战 without a declaration of war 闪电式战略 lightning war ...
"不宣而战"是个多义词,它可以指不宣而战(汉语成语),不宣而战(厦门大学出版社出版的图书),不宣而战(中国电影出版社出版的书籍)。