不说自明 bù shuō zì míng

DEFINITIONS

  1. self-explanatory
  2. self-evident (idiom)

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
说 shuō
HSK 1
speak, say, talk; scold, upbraid
自 zì
HSK 3
self, private, personal; from
明 míng
HSK 1
bright, light, brilliant; clear