知道關於他的事英語怎麼翻譯

A. 如果你想了解更多有關他的事情就加入我們[用英語怎麼翻譯]

if you want to know something more about you ,join us please.

B. 現在我知道很多關於他的事情了。 翻譯成英語

Now i know lots of things about him.
希望能夠幫到樓主

C. 「我不知道她在說些什麼」和「誰也不知道他都做了些什麼」用英語怎麼翻譯

我不知道她在說些什麼：I don't know to what she is saying
誰也不知道他都做了些什麼：Nobody knows what he is doing

D. 這件事你應該問他的英文

1、You should ask him why speak ill of you.
2、If he eat his words,it could be continue to be friends.
3、If he does not admit mistakes,do not be friends with him.