If someone is talking about something you don't understand, speak up and ask for an explanation.

如果对方谈论的东西是你不知道的，那就告诉对方并索求解释。

youdao

When you let someone teach you something, you are telling the person that you respect their talent, time and that you believe he knows what he is talking about.

当你让别人教你东西时，你是在告诉别人你尊敬他的天赋、时间，你相信他的话。

youdao

In this sense, we are talking more about obligation and giving permission to someone not to do something.

用作情态动词时，我们所谈论的更多是指义务责任以及同意某人不做某件事情。

youdao

Surely I thought that someone at Delta actually knew something about this program and what they were talking about!

FORBES: Evidently Delta Never Got the Memo On America's Express Border Crossing Program

"We are not talking about something that is going to suddenly pop up and kill someone in six months or a year, " explained panel member Michael Tuttle of Memorial Sloan-Kettering Cancer Center.

FORBES: Drug Safety