1. (vt) sujetar - he fastened the papers together with a paperclip: sujetó los papeles con un clip gen

2. (vt) abrochar - have you fastened your seatbelt?: ¿te has abrochado el cinturón de seguridad? clothes

3. (vt) cerrar - he had difficulty fastening his suitcase: tuvo problemas para cerrar la maleta to shut

1. (vi) abrocharse clothes

2. (vi) cerrarse to shut