hear oneself think, can't

Be unable to concentrate because there is too much noise. For example, There was so much noise from the jackhammers we couldn't hear ourselves think. [Early 1900s]

Common Names:

Name	Pronounced	Usage
Ravid	-	Hebrew
Jarl	YAHRL (Norwegian, Swedish, Danish)	Norwegian, Swedish, Danish, Norse Mythology, Ancient Scandinavian
Vespasien	-	French
Baldovin	-	Ancient Germanic
Sommer	-	English (Modern)
Shona	['ʃəuna:]