Do you know where I come from
知道───know;来自───come from
I know the reason whereat you are displeased.───我知道你为什么不快.
All the actors know the play backward.───所有演员对剧本都熟知到可以倒背如流.
Under the circumstances I feel it right that you should know.───在目前情况下,我觉得让你们知道是对的.
Do you know that boy?───你认识那个男孩 吗 ?
I suspect him to know everything about that.───我猜想那件事他全都知道了.
It is very useful for a person to know how to swim.───对一个人来说会游泳是很有用的.
They know me-I'm a regular customer.
Do you know the meaning of this word?
"You know I'm right!" she jeered.