你知道吗

Are you aware that there is a difficulty?

知道有困难?

Carroty, do you know whatSpring Festival is?

卜，知道春节是什么？

A drop of water is very infinitesimal,but do you know many a pickle makes a muckle's truth?

一滴水是十微的，但是知道积少成多的道理？

You ought to stop smoking, you know. For one thing, you’re damaging your health, and for another, you can’t afford it!

知道？应该戒烟。一来，在损害自己的健康，二来，也抽不起！