社會不知道怎樣處置慣犯。
Society does not know how to deal with hardened criminals.
現在知道你們的工作保住了，可以放心了。
You'll be relieved to know your jobs are safe.
我知道馬克遲到是出了名的。
I'm aware of Mark's reputation for being late.
他們只是大概知道那個地方的位置。
They had only a vague idea where the place was.