count against

US /kaʊnt əˈɡenst/
UK /kaʊnt əˈɡenst/
"count against" picture
1.

jugar en contra, ser un punto en contra

to be a disadvantage to someone or something

:
His lack of experience might count against him in the interview.
Su falta de experiencia podría jugar en su contra en la entrevista.
Don't let one mistake count against your overall performance.
No dejes que un error juegue en contra de tu rendimiento general.