Daily Chinese Idiom Guessing Game
Full of loopholes; riddled with flaws or holes.
百极言其多。有很多漏洞。形容文章、说话或办事，破绽很多。
鲁迅《病后杂谈之余》留心研究起来，那就漏洞百出。”
His argument was full of contradictions and seemed completely 漏洞百出.