lose one’s cool

tv. to lose control; to lose one’s temper. (Compare this with keep one’s cool.) Now, don’t lose your cool. Relax.

Name	Pronounced	Usage
Francisque	-	French
Vasya	-	Russian
Ellen (2)	EL-lən	Dutch
Xue	-	Chinese
Egbert	EG-bərt (English), EKH-bərt (Dutch)	English, Dutch
Nanna (1)	NAN-nah (Danish), NAHN-nah (Swedish, Norwegian, Icelandic)	Danish, Swedish, Norwegian, Icelandic, Norse Mythology