kěn
dìng
1
to be certain
2
to be positive
3
assuredly
4
definitely
5
to give recognition
6
to affirm
7
affirmative (answer)
肯定是他偷了我的手机。
I'm certain he stole my phone.
肯定不会让我失望的。
He definitely won't disappoint me.
肯定我没记错。
I'm positive I didn't remember wrong.