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
Xande	-	Portuguese
Della	DEL-ə	English
Isaiah	ie-ZAY-ə (English), ie-ZIE-ə (English)	English, Jewish, Biblical
Piroska	PEE-rosh-kaw	Hungarian
Healy	['hi:li]
Spirit	SPIR-it	English (Rare)