Definition
When a decision or vote does not favor someone, it results contrary to their desired outcome.
對某人不利
The decision clearly went against her, as she lost the chance to present her proposal.
這個決定顯然對她不利，因為她失去了展示提案的機會。
When the members voted, the outcome went against me.
當成員們投票時，結果對我不利。
His actions seemed deliberately intended to go against me and get me punished.
他的行為似乎是故意針對我，想讓我受到懲罰。