ONE PHRASE, IN CONTEXT
for a fact
确切地;肯定地(常用 know for a fact)

GET TO KNOW THE MEANING
读懂它,也学会这样说。
01确切地;肯定地(常用 know for a fact)
IN A SENTENCE
I know for a fact that the west entrance is closed because I watched the staff lock it this morning.
我确定西侧入口已经关闭,因为我今天早上亲眼看见工作人员把它锁上了。
What I know for a fact is that the one thing that is helping me a lot is pattern detection.
我确切知道的是,对我帮助很大的一件事就是模式识别。
