他们拼尽全力赢得了这场战斗。

They fought tooth and nail to win the fight.

他变得更强壮并赢得了战斗。

He becomes stronger and he wins his fights.

他不断战斗帮助弱者，从不放弃。

He keeps fighting to help the weak and never gives up.

我训练了很长时间来驾驶战斗机。

I trained for a long time to fly airplanes as a fighter pilot.

他在1781年参军，但没有参加战斗。

He joined the army in 1781, but he didn't fight in battle.