To attempt an impossible task with insufficient strength, destined for failure; to futilely resist an overwhelming force.
小明想要凭借一己之力阻挡全班同学的决定，这简直是螳螂拒辙，根本不可能成功。
Xiao Ming's attempt to single-handedly oppose the entire class's decision was like a mantis trying to stop a cart – utterly doomed to fail.
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