In fact he's not John Doe anymore, we have an ID.

　　事實上他不再是某男了，我們有一張身份證件。

　　I didn't fail the exam; in fact I did rather well!

　　我沒有考不及格，事實上，我考得不錯！

　　Both mushrooms look innocuous but are in fact deadly.

　　兩個蘑菇看起來都無害，但實際上卻能致命。