你怎么连

how can you even

→ 你
phrase Rare #25,401
how can you even Often expresses surprise, frustration, or criticism. 连 introduces something that the speaker finds especially unexpected; the rest of the sentence completes the thought.
CH: 你怎么连这个都忘了?
EN: How can you even forget this?

你怎么连自己的童子军都管不住

How can you not even control your own Boy Scouts?

— 月升王国 (2012)

你怎么连上学都能迷路啊

How do you even manage to get lost on your way to school?

— 你的名字。 (2016)

你怎么连动也不动?

Why aren't you moving at all?