DM

例句：

1. 1. I sent a direct message to your phone number.
   我给电话号码发送了一条直接消息。
2. 2. The sender deleted the message after receiving it.
   接收者在收到消息后将其删除了。
3. 3. She decided to delete the message from her inbox.
   她决定从收件箱中删除这条消息。