A shrug is an action where you raise your shoulders up. Shrugging is a way of saying "I don't know".
Shut is another word for closed. The window in the picture is shut.
You sip a drink when you drink only a very small amount at a time. When you sip your drink, you tend to drink it very slowly.
A skate might be another word for a ice skate or roller skate. It might also describe the action of gliding over a surface wearing some kind of skates. Someone who skates is a skater.











