not know which end is up

To be especially naïve, dimwitted, or uninformed. Give her a break—I didn't know which end was up when I was her age either. Local officials don't know which end is up when it comes to dealing with the housing crisis.See also: end, know, not, up

not know which end is up

Inf. not to be alert and knowledgeable. Don't try to hustle me, sister. You think I don't know which end is up? Poor Jed doesn't even know which end is up.See also: end, know, not, up

单词	not know which end is up
释义	not know which end is up not know which end is up To be especially naïve, dimwitted, or uninformed. Give her a break—I didn't know which end was up when I was her age either. Local officials don't know which end is up when it comes to dealing with the housing crisis.See also: end, know, not, up not know which end is up Inf. not to be alert and knowledgeable. Don't try to hustle me, sister. You think I don't know which end is up? Poor Jed doesn't even know which end is up.See also: end, know, not, up
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