TSUMUGU · TOCFL C1 (est.) · 詞
囑咐
ㄓㄨˇ ㄈㄨˋ · zhǔfù
verb — to enjoin, urge, tell someone earnestly to (do or remember something)
關 · Related
吩fēnfùto instruct (a junior) — the same 叮嚀dīngníngto urge over and over — the close synonym