战斗;战争行为
fighting in a war
  Hostilities began/broke out just after midnight. 刚过午夜战斗便打响了。 
 Hostilities were suspended (= fighting stopped temporarily) during the talks. 和谈期间暂时停战。 
 We hope the treaty will end hostilities between the two countries.
 The outbreak of hostilities meant a rapid expansion of the army.
 There has been something of a lull in hostilities recently.
 See also: hostility (FIGHTING)