Tiene bastante dinero para sus vestidos (prendas de vestir).

This is a machine for cutting leather.

Ésta es una máquina para cortar cuero.

I have an appointment for to-morrow.

Tengo cita para mañana.

She plays the piano well for her age.

Toca el piano bien para su edad.

(b) Expressing exchange, cause, motive, or duration of time, for is rendered por.

I gave him twenty-five dollars for his bicycle.

Le dí veinticinco duros por su bicicleta.