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
Hilbert	HIL-bert	German
Kobina	-	Western African, Akan
Klein	[kləin]
Roni (3)	RO-nee	Finnish
Sue	SOO	English
Odile	-	French