三人行，必有我师(焉)

语法
Words for "finally," "when all is said and done" etc.: 到底，究竟，毕竟，终于
https://mandarinbean.com/daodi-vs-jiujing-vs-zhongyu-vs-bijing/
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22in_the_end%22_with_%22daodi%22
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22in_the_end%22_with_%22jiujing%22
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22after_all%22_with_%22bijing%22
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22finally%22_with_%22zhongyu%22

词汇
迷, fan/confused; 歌迷, fans of a singer; 球迷, sports fans ( ”pinyin” )
https://mandarinbean.com/new-hsk-3-word-list/

Guardian:
你到底在说什么呀, what the hell are you talking about?
他究竟是计划些什么, what on earth could he be planning?
毕竟是她未婚夫失踪了, after all it's her fiancé who's gone missing
我等了你一万年，终于找到你了, I've awaited you for ten thousand years and finally found you
好胖的黑猫啊，你是迷路了吗, look at this fat black cat, are you lost?

Me:
你到底要不要一起去？
希望以后歌迷越来越多了。