ADJ-GRADED
走运的；运气好的
If you describe someone as jammy, you mean that they are very lucky because something good has happened to them, without their making much effort or deserving such luck.
例句
You'd think that at least he'd have the good grace to admit his blinding, jammy luck.
你可能会认为他起码应该大方地承认自己是撞上了好运。