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])
to miss (the presence of); to cherish the memory of / aspiration; desire; sth one keeps thinking about / (coll.) keepsake; memento / (coll.) impression (of sb or sth in one's mind)