a first offender

• 初犯

a first offender的用法和样例：

例句

1. As a first offender, she got off with a caution.
   她由于是初犯，被从轻发落，只受到了警告。
2. They won't imprison him for a first offence.
   因为他是初犯，他们不会因此而监禁他。