Refer to the shape of others' manicures. Your nails are not ugly, it's just an aesthetic problem of manicure.
Toe nail:
Apply transparent nail polish, it will look brighter, and the gray part can also be covered. Your nails are a little yellow. You can ask the experts why. Mine can only treat vision.
From the photo, the skin next to your toe is a little dry and peeling. Rub the lotion. If it doesn't improve, you should go to the drugstore and buy something special for foot peeling.