Utiliser "prowl about" dans une phrase

1. If I should prowl about the streets a long time, don't be uneasy; I shall reappear in the morning

2. What! he was there, that creature! What was he there for? He came creeping about, smelling out, examining, trying! He came, saying: "Hey! Why not?" He came to prowl about his, Jean Valjean's, life! to prowl about his happiness, with the purpose of seizing it and bearing it away!