(bound form) base; foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)
to read / to study (a subject) / to attend (a school) / to read aloud / to give (sb) a tongue-lashing (CL:頓|顿[dun4]) / to miss (sb) / idea / remembrance / twenty (banker's anti-fraud numeral corresponding to 廿[nian4])