Modifier + 证明
The noun 证明 (zhèngmíng) means 'proof,' 'evidence,' or 'certificate,' referring to something that establishes or confirms a fact. A common usage is 不在场证明, meaning 'alibi' (proof of not being present at the scene). 证明 as a noun often appears after descriptive phrases.
你有没有不在场证明?
nǐ yǒu méiyǒu bú zài chǎng zhèngmíng?
Do you have an alibi?
请出示你的工作证明。
qǐng chūshì nǐ de gōngzuò zhèngmíng.
Please show your proof of employment.
他拿不出任何证明来支持自己的说法。
tā ná bù chū rènhé zhèngmíng lái zhīchí zìjǐ de shuōfǎ.
He can't produce any proof to support his claims.