知无不言，言无不尽

Traditional form:

知無不言，言無不盡

Pinyin (reading):

zhīwúbùyán,yánwúbùjìn

Definitions:

• lit. not hiding anything he knows, not stopping before he has said it through (idiom)
• fig. frank; outspoken

Characters:

• 知 - to know, to perceive, to comprehend
• 无 - no, not; lacking, -less
• 不 - no, not, un-; negative prefix
• 言 - words, speech; to speak, to say
• 言 - words, speech; to speak, to say
• 无 - no, not; lacking, -less
• 不 - no, not, un-; negative prefix
• 尽 - to exhaust, to use up, to deplete

Traditional characters:

• 知 - to know, to perceive, to comprehend
• 無 - no, not; lacking, -less
• 不 - no, not, un-; negative prefix
• 言 - words, speech; to speak, to say
• 言 - words, speech; to speak, to say
• 無 - no, not; lacking, -less
• 不 - no, not, un-; negative prefix
• 盡 - to exhaust, to use up, to deplete