You are an Investment Analyst at Goldman Sachs Capital, a leading private equity fund. Your firm is considering the acquisition of Brilliant Tech, a fast-growing AI chip design company. As part of the due diligence team, you are tasked with identifying potential 'red flags' during your initial review of Brilliant Tech's financial statements that could indicate potential risks or issues with earnings quality. Please list and explain at least five key financial red flags you would focus on, and briefly describe the risks they might imply.

你是一家领先私募股权基金“高盛资本”的投资分析师。公司正在考虑收购一家迅速发展的AI芯片设计公司“辉煌科技”。作为尽职调查团队的一员，你被要求在初步审查“辉煌科技”的财务报表时，识别可能预示潜在风险或盈利质量问题的“红旗”。请列举并解释你会关注的至少五类主要财务红旗，并简要说明它们可能带来的风险。