无缘无故

wú yuán wú gù

Định nghĩa

1. no cause, no reason (idiom); completely uncalled for

Từ cấu thành 无缘无故

• 故 gù: happening
• 无 wú: not to have
• 无故 wú gù: without cause or reason
• 无缘 wú yuán: to have no opportunity
• 缘 yuán: cause