Meaning of guò qī:
guò qī
过期
Verb
to be overdue; to exceed the time limit; to expire (as in expiration date)
Zhè píng niúnǎi yǐjīng guòqī le, bù néng hē le.
这瓶牛奶已经过期了，不能喝了。
This bottle of milk is already overdue, it can't be drunk.
Zhège yào yǐjīng guòqī le, nǐ bù néng zài yòng le.
这个药已经过期了，你不能再用了。
This medicine is already expired, you can't use it anymore.
Zhège niúnǎi yǐjīng guòqī le, bùnéng hē le.
这个牛奶已经过期了，不能喝了。
This milk has expired, it can't be drunk anymore.
