惦念

惦念	diàn niàn	to constantly have (sb or sth) on one's mind
惦	diàn	to think of / to remember / to miss
念	niàn	variant of 念, to read aloud
念	niàn	to read / to study (a subject) / to attend (a school) / to read aloud / to give (sb) a tongue-lashing (CL:顿) / to miss (sb) / idea / remembrance / twenty (banker's anti-fraud numeral corresponding to 廿)