简单地说

• to be short
• in brief
• in few

例句

1. 简单地说，那就是我们正在干的事情。
   That, in a nutshell, is what we're doing.
2. 我对他简单地说明了任务。
   I briefed him on the task.
3. 我简单地说一说昨晚发生的事情来提醒你们一下。
   I will briefly pass over the events of last evening to refresh your memories.