While allowing that he was unusually susceptible to outside influences, this is not counted as a black mark against him.
The old generation of these agreements, however, really deserves a black mark, and it is thus extremely important to change this situation.
Failure to provide it is one black mark against them.
In fact, he referred only to one point as a really definite black mark—namely, the effect that it had on production costs.
He has a black mark against him, but, if he appeals and loses the appeal, the tribunal may increase his sentence.
This is a black mark against our whole sector of social priorities.
My home was invariably untidy, and that would have meant a black mark.
If a person is convicted of it he has a serious black mark against his character for years.