憑白無故

variant of 平白無故|平白无故[ping2 bai2 wu2 gu4]

to lean against / to rely on / on the basis of / no matter (how, what etc) / proof

white / snowy / pure / bright / empty / blank / plain / clear / to make clear / in vain / gratuitous / free of charge / reactionary / anti-communist / funeral / to stare coldly / to write wrong character / to state / to explain / vernacular / spoken lines in opera

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

without cause or reason

happening / instance / reason / cause / intentional / former / old / friend / therefore / hence / (of people) to die, dead