This man got me off a murder charge.

（彼が殺人の嫌疑を晴らしてくれたんだ。）
　BBCドラマ「シャーロック」エピソード1 "A Study in Pink" より。犯人をメールでおびきだしたホームズとワトスンは、レストランバーで通りを見張る。ホームズに昔助けてもらったというオーナー（多分）のアンジェロが、ワトスンにホームズとの過去を話すシーンで。

• get off にはいろんな意味がある。ここでは "get someone off" の形で「（人に）処罰を免れさせる／嫌疑を晴らす」という意味。（to help someone avoid being punished for a crime／to get someone cleared of a criminal charge）
  • Her lawyers were confident that they could get her off.
  • Ted's lawyer got him off, although we all knew he was guilty.
  • I hope someone can get her off. She is innocent no matter how it looks.
  • His lawyer got him off.
  • A good lawyer might be able to get you off.
• "S＋get off" ならSが罪を免れる、軽い罪で済む（この場合はwithと一緒に使う）、ということ。（if someone gets off, they are not punished for doing something wrong, or they receive only a small punishment）
  • He's been arrested several times, but he always gets off.
  • Let's hope John gets off with a light sentence.
  • Max got off with only a few years in prison.
  • He got off with a light sentence.
  • His lawyer tried to get him off with a light sentence.
  • If you're lucky, you'll get off with a fine.
  • In the end he got off because there wasn't enough evidence against him.
  • He was lucky to get off with a small fine.

（DVDはリージョン違いなのでご注意を！）