出爾反爾

出尔反尔
chūěrfǎněr
  1. old: to reap the consequences of one's words (idiom, from Mencius); modern: to go back on one's word
  2. to blow hot and cold
  3. to contradict oneself
  4. inconsistent

CEDICT

你怎麼對待別人，別人也會怎麼待你。語本《孟子．梁惠王下》：「出乎爾者，反乎爾者也。」後比喻人的言行前後反覆，自相矛盾。《官場現形記．第五九回》：「倘若不肯，也只好由他，我不能做出爾反爾的事。」《好逑傳．第一一回》：「為何老恩臺大人，出爾反爾？」

重編國語辭典

Homographs

出爾反爾 chū'ěrfǎn'ěr

Entry Composition

=1 出 chū
  1. to go out; to come out
  2. to arise; to occur
  3. to produce; to yield
  4. to go beyond; to exceed
  5. (used after a verb to indicate an outward direction or a positive result)
  6. classifier for dramas, plays, operas etc
=1 出 chū variant of 出 chū (classifier for plays or chapters of classical novels)
2 爾 ěr
  1. thus
  2. so
  3. like that
  4. you
  5. thou
3 反 fǎn
  1. contrary
  2. in reverse
  3. inside out or upside down
  4. to reverse
  5. to return
  6. to oppose
  7. opposite
  8. against
  9. anti-
  10. to rebel
  11. to use analogy
  12. instead
  13. abbr. for 反切 fǎnqiè phonetic system
4 爾 ěr
  1. thus
  2. so
  3. like that
  4. you
  5. thou

Related entries

朝三暮四 zhāosānmùsì
  1. lit. say three in the morning but four in the evening (idiom); to change sth that is already settled upon
  2. indecisive
  3. to blow hot and cold
自相矛盾 zìxiāngmáodùn
  1. to contradict oneself
  2. self-contradictory
  3. inconsistent
舉例說，如果一個老師警告學生不要吸煙，但自己卻每天吸個不停，那麼這個警告就是自相矛盾的了。

For example, if a chain-smoking teacher cautions a pupil for smoking, that warning is self-contradictory.

Source: Tatoeba

不符 bùfú
  1. inconsistent
  2. not in agreement with
  3. not agree or tally with
  4. not conform to
汤姆所言不符时局。

What Tom said doesn't apply in this situation.

Source: Tatoeba

出入 chūrù
  1. to go out and come in
  2. entrance and exit
  3. expenditure and income
  4. discrepancy
  5. inconsistent
他有权出入美国大使馆。

He has access to the American Embassy.

Source: Tatoeba