get up (one's) nerve (to do something)

To muster or draw upon one's courage or resolve to do something. I wanted to ask Mary Sue to the prom, but I never got up the nerve. I hope Jonathan finally gets up his nerve to ask his boss for a raise.

Common Names:

Name	Pronounced	Usage
Baptiste	ba-TEEST	French
Chizqiyahu	-	Biblical Hebrew
Haylee	HAY-lee	English (Modern)
Joel	JOL (English), JO-əl (English), ho-EL (Spanish), zhoo-EL (Portuguese), YO-el (Swedish, Finnish)	English, Spanish, Portuguese, Swedish, Finnish, Biblical
Georgius	-	Ancient Greek (Latinized)
Chico	SHEE-koo	Portuguese