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
Ross	[rɔs]
Gwendolen	GWEN-də-lin (English)	Welsh
Jagannath	-	Indian, Hindi
Peace	PEES	English (Rare)
Jari	YAH-ree	Finnish
Kallias	-	Ancient Greek