歯に衣を着せぬ
Meanings
1
expression, noun-modifying (irregular)
Idiomatic expression meaning to speak one's mind without mincing words. Often used in the form 歯に衣を着せない or 歯に衣を着せずに.
See also: 歯に衣着せぬ
He is known for his outspoken manner of speaking.
To be frank, that plan is a failure.