3N-COUNT 预演;试演;演习;演练 You can describe an event or object which is a preparation for a more important event or object as a rehearsal for it. 预演;试演;演习;演练
The sketch should be a kind of rehearsal for the eventual painting.
草图应该是最终绘画的某种演练。
Daydreams may seem to be rehearsals for real-life situations.