le bon biais, the right way, the right means (trick
3. vos fréquentes sérénades, etc. These were thefeatures of fashionable courtship. Cf. Corneille, le Menteur, Act I., Scene V.
4. que je ne fisse. Notice the pastsubjunctive where a présent might be expected. Pas is omitted as usual in a dépendent clause following a principal clause that is négative.