前无古人 (qián wú gǔ rén)

(idiom) unprecedented; unheard of

Character breakdown

前 (qián) · 9 strokes

Phonosemantic compound. 歬 represents the sound, and 刂 represents the meaning. Based on the original meaning "cut", now written as 剪. The current meaning "in front" is a phonetic loan.
无 (mó) · 4 strokes

Pictograph of a person dancing, with ox tails or bird feathers hanging from his arms, to pray for rain. Original form of 舞 (dance). The current form is a phonetic loan. The simplified character 无 was…
古 (Gǔ) · 5 strokes

Depicts a shield. Based on the original meaning "firm, solid", which is now written as 固. The current meaning "old" is a phonetic loan.
人 (rén) · 2 strokes

Pictograph of the side view of a standing person.

这是一项前无古人的伟大成就。
(idiom) unprecedented; unheard of
zhè shì yī xiàng qián wú gǔ rén de wěi dà chéng jiù 。