no le dejes

don't let him/her

→ no
phrase Uncommon #16,747
don't let him/her Used with the informal tú command form. Depending on context, dejar can also mean “to leave,” so this phrase may literally mean “don't leave him/her.”
SP: No le dejes entrar solo.
EN: Don't let him in alone.

No le dejes nadar.

Don’t let him swim.

Cuidado, no le dejes marcas.

Be careful not to leave marks on it.

— El experimento (2001)

No le dejes que te distraiga.

Don’t let him distract you.

No le dejes hasta que estés agotada.

Don’t leave him until you’re exhausted.

— La dolce vita (1960)

No le dejes pulsar este botón.

Don't let him press this button.

No le dejes tocar la pelota al Dadinho.

Don’t let Dadinho touch the ball.

— Ciudad de Dios (2002)