歯に衣着せぬ
Meanings
1
expression, noun-modifying (irregular)
outspoken; forthright; frank; direct
Idiomatic expression meaning to speak one's mind without mincing words. Literally 'not putting clothes on one's teeth', implying bluntness. Often used as a prenominal modifier.
He is known for his outspoken manner of speaking.
Please give me your frank opinion.