Meaning of kě yǐ:
可以
can; may; possible; able to
Wǒ kěyǐ bāng nǐ jiějué zhège wèntí.
我可以帮你解决这个问题。
I can help you solve this problem.
Nǐ kěyǐ lái cānjiā wǒ de jùhuì.
你可以来参加我的聚会。
You may come to my party.
nǐ kě yǐ bāng wǒ yī xià ma?
你可以帮我一下吗?
Can you help me for a moment?
Nǐ kěyǐ bāng wǒ gè máng ma?
你可以帮我个忙吗?
Can you help me with something?
not bad
Zhège diànyǐng hái suàn kěyǐ.
这个电影还算可以。
This movie is not bad.
pretty good
Zhè jiā cāntīng de shíwù kěyǐ, dàn fúwù hěn zāogāo.
这家餐厅的食物可以,但服务很糟糕。
The food at this restaurant is pretty good, but the service is terrible.