无缘无故 — Chinese idiom

Meaning

• no cause or reason; completely uncalled for

Character by character

• 无wúno, not; lacking, -less
• 缘yuánreason, cause; fate; margin, hem
• 无wúno, not; lacking, -less
• 故gùreason, cause; happening, instance

Idioms sharing a character

• 一事无成 yī shì wú chéng
• 一往无前 yī wǎng wú qián
• 一望无垠 yī wàng wú yín
• 一望无际 yī wàng wú jì
• 一无所有 yī wú suǒ yǒu
• 一无所知 yī wú suǒ zhī
• 一无是处 yī wú shì chù
• 一览无余 yī lǎn wú yú
• 不学无术 bù xué wú shù
• 了无生趣 liǎo wú shēng qù

Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.