毋庸置疑 wú yōng zhì yí

DEFINITIONS

  1. undoubtedly; there is no need to doubt, meaning that something is so certain or obvious that it doesn't require any further discussion or questioning

CHARACTERS

毋 wú do not; not; surname; rad. 80
庸 yōng
HSK 6
usual, common, ordinary, mediocre
置 zhì
HSK 5
place, lay out; set aside
疑 yí
HSK 4
doubt, question, suspect