n.

1. 战斗，格斗，反对[C][U][（+with/between/against）]
   The combat between good and evil will continue forever.

   善与恶的斗争将永远继续下去。

vt.

1. 与……战斗，反对
   Drastic measures were taken to combat inflation.

   采取强烈措施对付通货膨胀。

vi.

1. 战斗，搏斗[（+with/against）]
   He resolved to combat with his bad habits.

   他决意与自己的坏习惯作斗争。

n.

v.

1. take action to reduce or prevent (something undesirable).
2. archaic engage in a fight with.