If the young man dreams girls in bikini, then in reality he has deficiency of communication with an opposite sex because of the shyness. For the young woman the dream in which she sees herself in bikini, warns her that the aspiration to doubtful pleasures will not bring it to good.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.