外国人挂嘴边的的地道口语

Up to speed:了解最新情况,掌握最新信息

It took a long time for the FBI to get up to speed on computer crime

美国联邦调查局花了很长时间才掌握了网络犯罪的最新信息.

I'll feel better about it when I get up to speed on what's going on.
 
如果我能知道事情的进展,我的心里会好受一些的.