直言無諱

to speak one's mind / to speak candidly (idiom)

surname Zhi / Zhi (c. 2000 BC), fifth of the legendary Flame Emperors 炎帝[Yan2 di4] descended from Shennong 神農|神农[Shen2 nong2] Farmer God

straight / to straighten / fair and reasonable / frank / straightforward / (indicates continuing motion or action) / vertical / vertical downward stroke in Chinese characters

to speak forthrightly / to talk bluntly

words / speech / to say / to talk

not to have / no / none / not / to lack / un- / -less

to avoid mentioning / taboo word / name of deceased emperor or superior