N-UNCOUNT [oft NOUN n]罪犯；恶棍；社会渣滓；下层社会生活 People sometimes use low life to refer in a disapproving way to people who are involved in criminal, dishonest, or immoral activities, or to these activities. 罪犯；恶棍；社会渣滓；下层社会生活 [disapproval]
...observations on London low life.
对伦敦下层社会生活的观察
...the sort of low-life characters who populate this film.