It's morally wrong.
B1It's ethically unacceptable.
It's unethical.
B1It's not morally acceptable.
It's a difficult dilemma.
B1It's a challenging moral problem.
I have a moral obligation.
B1I feel morally compelled.
It's a question of ethics.
B1It involves moral principles.
It's a breach of trust.
B1It's a violation of confidence.
It's deeply unfair.
B1It's extremely unjust.
It's morally questionable.
B1It's ethically doubtful.
That's unacceptable behaviour.
B1That's inappropriate conduct.
It's a violation of rights.
B1It infringes on someone's entitlements.
It's a serious ethical lapse.
B1It's a significant moral failure.
We need to consider the consequences.
B1We should think about the effects.
It goes against the rules.
B1It violates regulations.
It's against the law.
B1It's illegal.
It's a betrayal.
B1It's an act of disloyalty.
It's a difficult moral decision.
B1It's a challenging ethical choice.
We should act responsibly.
B1We should behave in a careful and appropriate way.
That's not right.
B1That's wrong or improper.
It's simply wrong.
B1It's clearly morally incorrect.
We have a responsibility.
B1We have a duty or obligation.
It's a matter of integrity.
B1It involves honesty and moral uprightness.
That's a gray area.
B2The situation is ethically ambiguous or unclear.
It's a matter of principle.
B2The issue involves a fundamental belief or value.
It raises ethical concerns.
B2The action or situation presents moral questions.