我wǒ们men需xū要yào更gèng多duō的de证zhèng据jù。

We need more evidence.

没méi有yǒu证zhèng据jù，他tā不bù能néng被bèi定dìng罪zuì。

Without evidence, he cannot be convicted.

这zhè是shì最zuì重zhòng要yào的de证zhèng据jù。

This is the most important piece of evidence.

警jǐng察chá找zhǎo到dào了liǎo关guān键jiàn证zhèng据jù。

The police found the key evidence.

警jǐng察chá找zhǎo到dào了liǎo重zhòng要yào的de证zhèng据jù。

The police found important evidence.