Lung4 = to toy with, to manipulate, to play with; to do. (ROOT); lung4 = to make a fool of; simple, stupid. (PERSON) ~ (HEART) lung4 = to dupe, to use; to manipulate. (HAND) lung4 = animal sound, horse whinny, bird call. (MOUTH) lung4 = a cave; to penetrate, cavernous (EARTH) `(HEART)