tú detenlo

stop him, stop it, detain him

→ detener
deten tú command + lo Direct object pronoun (masculine singular or gender-neutral)
verb · second singular · imperative Rare #47,192
stop him, stop it Command (tú) with the direct object pronoun “lo” attached.
SP: Detenlo ahora.
EN: Stop him now.
detain him Command (tú) with the direct object pronoun “lo” attached; often used in the sense of holding someone (e.g., by police).
SP: Detenlo; es sospechoso.
EN: Detain him; he’s suspicious.
Conjugation of detener
Imperative
SingularPlural
Second detente —
Third detenga detengan

Si crees que le están tomando el pelo, detenlo de inmediato.

If you think they're pulling your leg, stop them immediately.

— P.K. (Peekay) (2014)

Detenlo, Kumud.

Stop him, Kumud.

— Devdas (2002)

Detenlo.

Stop him.

— Bajrangi Bhaijaan (2015)

Detenlo, Ma.

Stop him, Ma.

— मुन्ना भाई एम बी बी एस (2003)