In this ease, this roundness, this delicacy of attitude and motion, it is that all the magic of grace consists, and what is called 'je ne scais quoi.
A thousand little things, not separately to be described, conspire to form these graces, this je ne scais quoi, that always pleases.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "scais" in a variety of sentences. We hope that you will now be able to make sentences using this word.