kept, held back, retained
Ziri a toujours retenu ce numéro.
Ziri has always remembered this number.
Je ne crois pas avoir retenu ton nom.
I don't think I caught your name.
L'évolution économique en Asie a retenu l'attention de Wall-Street.
Asia’s economic development has attracted Wall Street’s attention.
— Qui suis-je (2014)
What held you back?