Marge: Oh Homer, there's a bird on your head.
Homer: I know, he's grooming me.
...refers to behaviors involved in cleaning and maintaining body function and hygiene.
Google Translate gives:
This seems plausible, but I'm unsure about how "grooming" is translated; 修饰 seems more like "decorate". I didn't find Chinese subtitles here.
Question: How do I translate the Simpson's quote "I know, he's grooming me"?