a seven-day wonder

Fig. a person or a process supposedly perfected in only seven days. (Sarcastic.) Tommy is no seven-day wonder. It took him 6 years to get through high school!

Common Names:

Name	Pronounced	Usage
Louella	loo-EL-ə	English
ÉVa	AY-vaw	Hungarian
Ormazd	OR-mazd	Persian Mythology
RenÁTa	RE-nah-taw (Hungarian)	Hungarian, Czech, Slovak
Kirke	-	Greek Mythology
Ermentrud	ER-men-troot	German (Archaic)