no sirvo para

I'm no good at

→ no
phrase Uncommon #22,600
I'm no good at Often followed by a noun or infinitive to say what someone is not good at or suited for. The related phrase “no sirve para nada” means “it's useless” or “it serves no purpose.”
SP: No sirvo para cocinar.
EN: I'm no good at cooking.

No sirvo para representar.

I'm not cut out for acting.

No sirvo para hacer visitas en hospitales.

I'm not cut out for hospital visits.

— La Escafandra Y La Mariposa (2007)

No sirvo para las despedidas.

I'm no good at goodbyes.

— Casi famosos (2000)

No sirvo para los negocios.

I'm not cut out for business.

— Ip Man (2008)

De verdad no sirvo para los negocios.

I'm really not cut out for business.

— Ip Man (2008)