无效

guò qī jiù wú xiào

过期就无效

invalid after the specified date

xuān bù xuǎn jǔ de wú xiào

宣布选举的无效

nullify an election

zhè xiàng jué yì duì wǒ fāng wú xiào

这项决议对我方无效。

This resolution does not cover us.

wú xiào láo dòng

无效劳动

fruitless labour

wú xiào yào wù

无效药物

ineffective medicine

wú xiào hù zhào

无效护照

invalid passport

wú xiào qì yuē

无效契约

invalid contract

wú xiào tóu zī

无效投资

make the investment inefficient

yī zhì wú xiào

医治无效

fail to respond to medical treatment

gāi tiáo yuē méi yǒu dé dào pī zhǔn yīn cǐ bèi xuān bù wú xiào

该条约没有得到批准，因此被宣布无效。

The treaty was declared invalid because it had not been ratified.

wèi néng pī lù suǒ yǒu de xiāng guān biàn huà huì lìng nǐ de bǎo dān wú xiào

未能披露所有的相关变化会令你的保单无效。

Failure to disclose all relevant changes may invalidate your policy.