我不会在电话里详细说明，但我最近有一些健康问题。

I won't ___go ___into ___detail over the phone, but I've been having a few health problems recently.

在他的一本书中，他详细描述了孩子们如何对待那些在新语言上有困难的其他孩子。

In one of his books he really ___goes ___into ___detail about how children treat other children who have difficulties with their new language.

经理决定在会议上详细说明这个新项目。

The manager decided to ___go ___into ___detail about the new project during the meeting.