if you know what's good for you

Fig. if you know what will be to your benefit; if you know what will keep you out of trouble. Mary: I see that Jane has put a big dent in her car. Sue: You'll keep quiet about that if you know what's good for you. Sally: My teacher told me I had better improve my spelling. Bill: If you know what's good for you, you'd better do it too.

Common Names:

Name	Pronounced	Usage
Jamin	-	Biblical
Kristjana	-	Icelandic
Kai (3)	-	Hawaiian
Kitty	['kiti]
Alcides	-	Greek Mythology (Latinized), Portuguese, Spanish
Toomas	-	Estonian