How common it is
过期 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say guò qī slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
过期表示超过了有效时间。
guò qī biǎo shì chāo guò le yǒu xiào shí jiān。
过期 means to have passed the valid date.
Context note
过期常用于食物、证件和药品。
guò qī cháng yòng yú shí wù 、 zhèng jiàn hé yào pǐn。
It is often used with food, documents, and medicine.
5 examples
牛奶过期了。
niú nǎi guò qī le。
The milk expired.
这个证件已经过期。
zhè ge zhèng jiàn yǐ jīng guò qī。
This document has expired.
不要吃过期食品。
bú yào chī guò qī shí pǐn。
Do not eat expired food.
药过期了就不能用了。
yào guò qī le jiù bù néng yòng le。
Medicine cannot be used after it expires.
请检查保质期，别买过期的。
qǐng jiǎn chá bǎo zhì qī， bié mǎi guò qī de。
Please check the shelf life and do not buy expired items.
5 mini stories
他发现冰箱里的酸奶过期了。
tā fā xiàn bīng xiāng lǐ de suān nǎi guò qī le。
He found the yogurt in the fridge had expired.
老师提醒大家不要用过期的材料。
lǎo shī tí xǐng dà jiā bú yào yòng guò qī de cái liào。
The teacher reminded everyone not to use expired materials.
这张卡片过期后就不能用了。
zhè zhāng kǎ piàn guò qī hòu jiù bù néng yòng le。
This card cannot be used after it expires.
她把过期的东西扔掉了。
tā bǎ guò qī de dōng xī rēng diào le。
She threw away the expired things.
过期食品要小心处理。
guò qī shí pǐn yào xiǎo xīn chǔ lǐ。
Expired food should be handled carefully.