Tell your friend that if he/she learns the split, he/she'll be able to join a bboy crew, Cheerleading, etc.
You can convince someone that karaoke is good by constant exposure and lots of practice.
To convince someone you must sway them.
Okay, you can't really learn a split in seconds. But, you can learn it in one day. See related questions below.
Come on to them.
If you expalin what an "AIM" is, perhaps someone can help.
To convince someone to see your view on things.
Have sex with them
By acting crazy
A person who is hard to convince can be called stubborn, or possibly closed minded.
There's no way to convince or make someone answer your calls. It depends on if he wants to answer or not
convince means to move by argument or evidence to believe, agreement, consent or a course of action
aims to convince us of something.