Chinese phrase
当然可以 dāng rán ké yǐ
Meaning
of course
When to use it
It gives a clear, friendly yes to a request. It shows that the speaker is happy to allow something and sees no problem with it.
Example dialogue
我可以借你的笔吗？ wǒ ké yǐ jiè nǐ de bǐ ma
Can I borrow your pen?
当然可以，拿去用吧。 dāng rán ké yǐ ná qù yòng ba
Of course, take it and use it.