lavarte los dientes

brush your teeth

→ lavar
phrase Uncommon #21,180
brush your teeth This phrase uses the reflexive verb lavarse, meaning to wash oneself. The form lavarte means “to brush your teeth” when addressing one person informally; the possessive idea is expressed by the reflexive pronoun rather than by saying “your teeth.”
SP: Es importante lavarte los dientes antes de acostarte.
EN: It’s important to brush your teeth before going to bed.

No te olvides de lavarte los dientes.

Don't forget to brush your teeth.

Taro, ve a lavarte los dientes.

Taro, go brush your teeth.

Acuérdate de lavarte los dientes.

Remember to brush your teeth.

Andá a lavarte los dientes.

Go brush your teeth.

Ve a lavarte los dientes.

Go brush your teeth.