1 N-COUNT 战斗机;歼击机 A fighter or a fighter plane is a fast military aircraft that is used for destroying other aircraft. 战斗机;歼击机

2 N-COUNT 战士;斗士;奋斗者 If you describe someone as a fighter, you approve of them because they continue trying to achieve things in spite of great difficulties or opposition. 战士;斗士;奋斗者 [approval]

3 N-COUNT 打架者;打斗者;(尤指)职业拳击手 A fighter is a person who physically fights another person, especially a professional boxer. 打架者;打斗者;(尤指)职业拳击手

4See also:fire fighter  freedom fighter  prize fighter