This verse is repeated from Song of Solomon 2:7, where it is explained. The spouse exhorts herself and all her fellow members to be very circumspect, lest by any unkind or provoking carriage they should give Christ any cause to depart from them. He is supposed to allude to the custom of awakening the bridegroom and bride by songs and musical instruments.
Related Commentaries of Song of Solomon 3:5
Song of Solomon 3:5
5 I charge you, O ye daughters of Jerusalem, by the roes, and by the hinds of the field, that ye stir not up, nor awake my love, till he please.