直言不諱

直言不讳
zhíyánbùhuì
  1. to speak bluntly (idiom)
  2. not to mince words

CEDICT

to call a spade a spade; to speak without reservation; not to mince one's words

Wiktionary

直述其事，無所避諱。《兒女英雄傳．第三二回》：「你既專誠問我，我便直言不諱。」《文明小史．第三七回》：「慕政直言不諱責備他。」也作「正言不諱」。

重編國語辭典

直接敘述其事物，無所避諱

維基詞典

Entry Composition

1 直言 zhíyán
  1. to speak forthrightly
  2. to talk bluntly
2 不諱 bùhuì
  1. without concealing anything
  2. to pass away
  3. to die