1.defeat是及物动词，意为“击败，战胜”，后接的宾语为击败的对象。作名词时，defeat意为“击败，战胜”，也可作“败北，失败”解。主要表达在战场上打败敌人，强调过程和结果。如：

His guerrillas defeated the colonial army in 1954.

他的游击队在1954年打败了殖民军。

The Americans defeated the British in 1781.

美国在1781年打败了英国。

They defeated the enemy in the battle. 他们在战斗中击败了敌人。

She defeated him at chess. 她在棋赛中战胜了他。

After the defeat of the enemy，the soldiers went back. 敌人被击败之后，士兵们都返回了。

He didn't admit defeat. 他不认输。

2. win作及物动词或不及物动词用，后接宾语通常为比赛、战争、辩论、奖品或金钱等。如：win a
battle/bet/race/match/prize/ fame（在战斗、打赌、赛跑、比赛中获胜,得奖，成名），win an argument/election（在一场辩论、选举中赢得胜利），win a fine victory/many awards and medals（赢得一场辉煌的胜利/许多奖品和奖牌）。作不及物动词意为“获胜”：

表示在较强的竞争中取得胜利：

They won the battle but lost many men.

他们赢得了这场战斗，但牺牲了很多人。

The party failed to win the election.

该政党未能赢得选举。

She is hoping to win the gold medal.

她希望赢得金牌。

We won at football，but lost at tennis. 足球我们赢了，但网球输了。

They won the war, although it cost them millions of lives.

尽管牺牲了数百万人的生命，但他们赢得了战争的胜利。

Which side won？哪一方获胜？（win可作不及物动词）

3. beat: 是比赛的用词，宾语是人或团体。“战胜，打败”，后接比赛、辩论或战斗中的对手。

We beat their team by 9 points.

我们赢了他们队9分。

She beat the other runners by a margin of ten seconds.

她以领先十秒的优势战胜了其他赛跑者。

I beat Tom at chess yesterday. 昨天的象棋比赛，我打败了汤姆。

Team A defeated(/beat) Team B in the football match.

足球比赛中A队打败了B队。

They beat/defeated the enemy.

他们战胜了敌人。