To pit a weak force against an overwhelmingly stronger enemy, leading to inevitable defeat due to vast disparity in strength.
他们试图以仅有的几个人挑战对方的整个团队，简直是驱羊攻虎，毫无胜算。
They tried to challenge the opposing team with just a few people; it was like driving sheep to attack tigers, with no chance of winning.
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