翻臉不認人

to fall out with sb and become hostile

to turn over / to flip over / to overturn / to rummage through / to translate / to decode / to double / to climb over or into / to cross

variant of 翻[fan1]

to fall out with sb / to become hostile

face / CL:張|张[zhang1],個|个[ge4]

no; not so / (bound form) not; un-

to recognize / to know / to admit

to recognize people (of babies) / to be able to tell people apart

person; people / CL:個|个[ge4],位[wei4]