bake something blind

bake a pastry or flan case without a filling

（糕餅）未加餡心先行烘烤地

(as) blind as a bat

(informal)having very bad eyesight

(非正式)視力極差的，幾乎看不見的

blind drunk

(informal)extremely drunk

(非正式)爛醉如泥的

there's none so blind as those who will not see

(proverb)there's no point trying to reason with someone who does not want to listen to reason

(諺)和不講理的人說理——白搭；無眼不算瞎，有眼不看是真瞎

turn a blind eye

pretend not to notice

裝作沒有看見，視而不見

when the blind lead the blind, both shall fall int

(proverb)those people without knowledge or experience should not try to guide or advise others in a similar position

(諺)"瞎子帶瞎子，兩個掉溝里"（喻沒有相關知識或經驗就不要指導別人或給別人提建議）

I didn't know anything about fighting and neither did my students—it was the blind leading the blind.

我對搏斗一無所知，我的學生們也是——這是瞎子帶瞎子。