三人行，必有我师(焉)

语法
到底 + question: question intensifier, making "what" into "wtf" etc. (middle of page)
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22in_the_end%22_with_%22daodi%22

词汇
检查, inspect/check (pinyin in tags)
https://mandarinbean.com/new-hsk-2-word-list/

Guardian:
你们到底放不放人, are you going to let him go or not?
为了治了我的眼睛你到底都做了什么, what the hell did you do to heal my eyes?
你们去检查一下村民的情况, go and check out what's up with the villagers

Me:
你到底想不想去，快点决定吧。
他虽然无辜，但是被警察检查了。