the blind leading the blind

US /ðə blaɪnd ˈliːdɪŋ ðə blaɪnd/
UK /ðə blaɪnd ˈliːdɪŋ ðə blaɪnd/
"the blind leading the blind" picture
1.

盲人摸象, 盲人引路

a situation where inexperienced or incompetent people are guiding others who are equally inexperienced or incompetent

:
The new manager has no idea what he's doing, so it's really the blind leading the blind.
新经理根本不知道自己在做什么,这真是盲人摸象
Trying to learn from someone who knows as little as you do is like the blind leading the blind.
试图向一个和你一样一无所知的人学习,就像盲人摸象