To be disadvantageous to someone.
have the law of
To take legal action against someone.
sell down
To betray a person; to conspire against someone for personal gain.
tell against
To function as a liability (for someone); to put into a condition of d…
build a case
to compile evidence that supports a charge against someone.
pit against
To set in opposition to someone or something else.
even the score
To seek or obtain revenge against someone.