To dream that you are shy suggests that you need to be more assertive, aggressive and confident in your abilities and talents.
The dream may indicate that there is a waking situation that you are trying to avoid.
To see or play table tennis in your dream suggests that you are going back and forth between two choices.
You are confused over an important decision in your life. Alternatively, the dream also indicates commitment issues.
You are having difficulty committing to a decision, to a relationship or social obligation.