To be at one's wits' end; to be in a desperate situation; to have no way out.
他发现自己的生意陷入困境，资金链断裂，真正是走身无路了
He found his business in a predicament, with the capital chain broken, truly having no way out.
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To be at one's wits' end; to be in a desperate situation; to have no way out.