三人行，必有我师(焉)

成语
隐姓埋名 to conceal your name/identity, to live incognito
冒名顶替 to impersonate someone, to be an impostor
久仰大名 it's an honor to meet you at last (lit. I have long admired your imposing reputation/name)
( ”pinyin” )

词汇
京剧, Beijing opera (pinyin in tags)
https://mandarinbean.com/new-hsk-3-word-list/

Guardian:
你明明可以隐姓埋名一直生活下去, you could obviously go on with life incognito
你不是欺负我眼睛不好来冒名顶替的吧, you're not impersonating someone else just to bully me and my bad eyes
原来你就是昆仑，久仰大名, so you're Kunlun, it's an honor to meet you at last
[no 京剧 for obvious reasons. Maybe they have 海剧?]

Me:
他试图冒名顶替，但是因为他把蛋糕拒绝不了的时候我就发现了。
我没有看过京剧的表演。

语法
[sentence] + 而已, "it's only X, X was all that happened," etc. (bottom of page)
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22that%27s_all%22_with_%22eryi%22

词汇
名, 名称, name; 名单, list; 报名, sign up; 姓名, full name ( pinyin )
https://mandarinbean.com/new-hsk-2-word-list/

Guardian:
有没有一种可能其实它早就出现了，只不过是我们还没有发现而已, is it possible that it actually came to light a long time ago, and we just haven't noticed yet?
现在看来也就是个普通的噩梦而已啊, right now it looks like it's just an ordinary nightmare
我好像还在你的嫌疑名单里啊, I seem still to be on your list of suspects

Me:
仅仅是多云的天气而已，不会实在下雨。
请这里写您的姓名。