真凭实据

tā zhǎng wò le zhēn píng shí jù

他掌握了真凭实据。

He got hold of a mass of solid evidence against.

qǐng ná chū zhēn píng shí jù

请拿出真凭实据。

Provide concrete evidence, please.

nǐ de duàn yán shì fǒu yǒu zhēn píng shí jù

你的断言是否有真凭实据？

Do you have any evidence to support your assertions?

nǐ xiǎng shuō fú tā yào yǒu zhēn píng shí jù

你想说服他要有真凭实据。

You'll need real proof to convince him.