We wanted to experience the real nightlife, so we visited several clubs and bars.

nightlife 是复合名词，由 night（夜晚）和 life（生活）组成，字面意思是"夜晚的生活"，特指"夜生活"，包括夜间娱乐活动如酒吧、俱乐部等场所的社交和娱乐活动。