1.
If a person or their behaviour goes against your wishes, beliefs, or expectations, their behaviour is the opposite of what you want, believe in, or expect.
Changes are being made here which go against my principles and I cannot agree with them.
PHRASAL VERB : V P n
2.
If a decision, vote, or result goes against you, you do not get the decision, vote, or result that you wanted.
The prime minister will resign if the vote goes against him...
PHRASAL VERB : V P n