key (tool for opening or locking something) / key; clue (important fact for solving something) / lock

(computing) key / (music) key

合鍵: duplicate key, master key

spare key

綿花: (archaic) an artificial flower made of cotton

transit / ford / ferry / cross / import / deliver / diameter / migrate

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

鉤: hook / 鍵: key

高木: a surname

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend