be no stranger to

• 对 ... 不陌生
• 对 ... 熟悉
• 对 ... 有经验

be no stranger to的用法和样例：

例句

1. The freshman took a while to orient himself.
   那位大学新生花了一段时间才熟悉了环境。
2. It didn't take him long to get onto his new job.
   他很快就熟悉了新工作。