B1 其实，实际上
used to add emphasis to what you are saying, or to show that it is the opposite of or different from what went before
I don't work. In fact, I've never had a job. 不，我不工作。事实上，我从来没工作过。
"Have you always lived here?" "As a matter of fact (= the truth is), I've only lived here for the last three years." “你一直在这儿住吗？”“其实我在这儿才住了3年。”
We thought he suffered from mobility problems, but in actual fact his walking stick was merely a fashion accessory.
As a matter of fact, the boat isn't made of rubber.
He was described as a despot when in fact he was a passionate advocate of free speech.
See also: fact