谈到..., 论及...

speak of something
(fml.) to be evidence that sth exists or is present 表明；说明
Everything here speaks of perfect good taste. 这里的一切都体现出极为高雅的情趣。

speak evil of sb. speak ill of speak in advocacy of speak evil of speak well of nothing to speak of to speak of speak highly of speak Speak well of your friends of your enemy say nothing Speak of angels,and you will hear their wings. speak on behalf of... speak highly of sb speak evil of sb speak well of sb not to speak of speak ill of sb