tactic         
noun uk/ˈtæk.tɪk/ us/ˈtæk.tɪk/
C1 [ C usually plural ]策略,手法 
a planned way of doing something
  These bomb attacks represent a change of tactics by the terrorists. 这些炸弹袭击事件表明恐怖分子改变了策略。 
 tactics[ plural ] 战术
the organization and use of soldiers and equipment in war
 - More examples
 - The proposal was dismissed as a diversionary tactic intended to distract attention from the real problems.
 - We need to agree tactics before the game.
 - The rebels are using guerilla tactics.