每日英语俚语128: 了如指掌 (mp3和文本下载)
日期:2017-03-23
at one's fingers' tips
了如指掌
It is at my fingers' tips. I think I can give you all the information right now.
这事我了如指掌，现在我就可以将全部情况告诉你。
at one's fingers' tips
了如指掌
It is at my fingers' tips. I think I can give you all the information right now.
这事我了如指掌，现在我就可以将全部情况告诉你。