The match looks like being a David and Goliath contest.

比赛看上去像是一场力量悬殊的较量。

《牛津词典》

When someone talks about a David and Goliath, he means that a smaller, or weaker, person is trying to fight a very large and strong enemy.

当某个人谈到大卫和歌利亚，他的意思是一个小个的人，或弱者正在打败一个非常高大和强壮的敌人。

youdao

When the curator of the Louvre mocked him he sued him for defamation, David against Goliath.

卢浮宫馆长嘲笑他，他就控告他诽谤，好似大卫对决哥利亚。

youdao

There is no reason the story of David and Goliath should have involved David and Goliath.

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In the Biblical story of David and Goliath, David initially put on a coat of mail and a brass helmet and girded himself with a sword: he prepared to wage a conventional battle of swords against Goliath.

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After all, Goliath often wants David as much as David wants Goliath.

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