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
Jacopo	YAH-ko-po	Italian
Bert	[bə:t]
Julienne	zhoo-lee-EN	French
Talita	-	Portuguese (Brazilian)
Knox	[nɔks]
Diya (2)	-	Arabic