Musician's lips vibrate on mouthpiece.
Meaning: The musician is blowing air into the trumpet, causing their lips to shake.
Choice of Words: Musician's indicates that the lips belong to the musician. Lips are the two fleshy folds that form the mouth. Vibrate means to move or shake rapidly. On indicates the surface or object that something is resting or touching. Mouthpiece is the part of a musical instrument that is placed against the player's mouth.
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Related Expressions