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
Jimmy	['dʒimi]
Shouta	sho:-tah	Japanese
FinnÁN	-	Irish
VladimÍRa	-	Czech, Slovak
Emely	EM-ə-lee	English (Modern)
Erna (2)	ER-nah (Swedish)	Norse Mythology, Icelandic, Danish, Norwegian, Swedish