a pearl of wisdom

an important piece of advice

Usage notes: This phrase is usually used humorously to mean the opposite.

Thank you for that pearl of wisdom, Jerry. Now do you think you could suggest something more useful?

Name	Pronounced	Usage
Elsa	EL-sə (English), EL-zah (German), EL-sah (Finnish)	English, German, Swedish, Icelandic, Finnish, Italian
Camille	ka-MEE (French), kə-MEEL (English)	French, English
Zacharie	za-ka-REE	French
Helmfrid	-	Ancient Germanic
Waldobert	-	Ancient Germanic
Xia	-	Chinese