retener
verbo transitivo
1 (no dejar marchar) to keep; [+la policía] to detain; hold
lo retiene su familia his family is what keeps him there; no intentes retenerme porque pienso ir don't try and keep o stop me because I'm going; retuvieron a los inmigrantes en la aduana they held o detained the immigrants at customs
una llamada de última hora me retuvo en la oficina a last-minute phone call held me up o kept me back at the office; retener a algn preso to hold o keep sb prisoner
2 (conservar) [+datos, información] to withhold; [+pasaporte] to retain
el Atlético ha conseguido retener el título de Liga Atlético managed to hold on to o keep o retain the league title