I am not worried about the exam. I am strong enough to at least pass.
Explanation:
I believe you wanted a completion to the sentence? Either way don't worry about your exam, just do your best. But doing your best doesn't mean going "i'll do my best" and just hoping you know the answers. Go study! Now <em>that's </em>doing your best.
Do you need a translation? Into what language? In english it might be something like this "If kissing you was a sin, I'd walk happily in/through hell".
