have no staying power

to lack endurance; not to be able to last. Sally can swim fast for a short distance, but she has no staying power. That horse can start fairly fast, but it has no staying power.

Common Names:

Name	Pronounced	Usage
Mcdermott	[mək'dɜ:mət]
Nereida	nay-RAY-dhah	Spanish
Heraclio	-	Spanish
Lewella	-	Welsh
Cvijeta	TSVEE-e-tah	Croatian, Serbian
Celia	SEEL-yə (English), SEE-lee-ə (English), THE-lyah (Spanish), SE-lyah (Latin American Spanish), CHE-lyah (Italian)	English, Spanish, Italian