不偏不倚

bùpiānbùyǐ
(idiom) even-handed; impartial; unbiased

CEDICT

even-handed; impartial; unbiased

Wiktionary

一點也沒有偏差。

重編國語辭典

一點也沒有偏差

維基詞典

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 偏 piān
  1. to lean
  2. to slant
  3. oblique
  4. prejudiced
  5. to deviate from average
  6. to stray from the intended line
  7. stubbornly
  8. contrary to expectations
3 不 bù
  1. no; not so
  2. (bound form) not; un-
4 倚 yǐ
  1. to lean on
  2. to rely upon