su bicicleta

his, her, or their bicycle

→ su
phrase Uncommon #23,389
his, her, or their bicycle Su can also mean “your” when addressing someone formally. It refers to the owner, not the bicycle.
SP: Ella limpia su bicicleta cada sábado.
EN: She cleans her bicycle every Saturday.

Tom va en su bicicleta al trabajo todos los días.

Tom rides his bike to work every day.

¿Puedo usar su bicicleta?

Can I use your bike?

— Das weiße Band - Eine deutsche Kindergeschichte (2009)

Guarde su bicicleta.

Store your bicycle.

Tom se cayó de su bicicleta.

Tom fell off his bicycle.

Tom se montó en su bicicleta.

Tom got on his bicycle.

Se lastimó el pie cuando se cayó de su bicicleta.

He hurt his foot when he fell off his bicycle.

Ella se subió a su bicicleta y se marchó.

She got on her bicycle and left.

Ken pintó blanca su bicicleta.

Ken painted his bicycle white.

Él pintó su bicicleta de rojo.

He painted his bicycle red.

¿Puedo tomar prestada su bicicleta?

Can I borrow your bike?

Su bicicleta es diferente de esta.

His bicycle is different from this one.

Tom le preguntó a Mary si él podía tomar prestada su bicicleta.

Tom asked Mary if he could borrow her bicycle.

Bajó la colina en su bicicleta.

He rode his bicycle down the hill.

Él usó su bicicleta sin pedir permiso.

He used his bicycle without asking permission.

Tom siempre deja sucia su bicicleta.

Tom always leaves his bicycle dirty.

Su bicicleta es similar a la mía.

His bicycle is similar to mine.