count against

British  

verb

1. (intr, preposition) to have influence to the disadvantage of

   your bad timekeeping will count against you

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count against Idioms  

1. Be disadvantageous to, as in His earnings this year will count against his Social Security benefits. This idiom uses count in the sense of “make a reckoning,” in this case negative. [Early 1900s]

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Example Sentences

Imports - which count against growth - continued to decline during the period.

From BBC

But there is a concern that should, against all odds, he become president, his background could count against him.

From BBC

Those teams could make it work because they had faced a D-II or D-III team at some point during the season which didn’t count against its games limit.

From Los Angeles Times

Due to the recent ruling in the Diego Pavia case, the season that Woods spent playing junior college does not count against his five years of eligibility.

From Los Angeles Times

Mutharika's age may count against him this election - speculation about his health is rife, especially as he has rarely been seen out in public during the campaign period.

From BBC