无故

無故

wúgù

adverb HSK 7-9 #13,267

Meanings

他无故缺席了三天。

Tā wúgù quēxí le sān tiān.

He was absent for three days without reason.

不要无故指责别人。

Búyào wúgù zhǐzé biérén.

Don't blame others for no reason.

usage

无故 is more formal than 没有原因. It often appears in written or official language.

无 wú

故 gù