出尔反尔

chū ěr fǎn ěrchuerfaner

old: to reap the consequences of one's words (idiom, from Mencius); modern: to go back on one's word
to blow hot and cold
to contradict oneself
inconsistent

Characters in this word

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences