1, don't laugh when showing majesty (don't laugh)
2. frown a little
3. It is best to thicken the eyebrows (by painting or other methods).
If you only talk about eyes, the above three items are enough.
Of course, if you have enough money, you can have plastic surgery as the friend above said, but plastic surgery is very risky, so you'd better have your eyebrows done. Eyebrows are important! Hmm. How interesting