To apple-polish is to ingratiate (engraciar) yourself or curry favor with someone, but usually through flattery (adulación) or extra efforts beyond what’s required or expected. Brown-nose, Ingratiate, Flatter, Butter up, Suck up to, Curry favor, Kowtow
Don’t apple-polish me; it’ll do you no good (no te servira de nada), Her constant compliments and apple-polishing are annoying