I.
noun
VERB + DISCREDIT
▪ bring , reflect
▪
By telling lies he brought ~ upon the Army.
▪
Your failure reflects no ~ upon you—you did your best.
▪ bring sth into , do sb (both BrE )
▪
She brought the whole system into ~.
▪
It does us great ~ to treat foreigners so badly.
PREPOSITION
▪ to sb's ~
▪
His selfish decision is greatly to his ~.
▪ ~ to
▪
They were a ~ to their country.
II.
verb
Discredit is used with these nouns as the object: ↑ argument , ↑ witness