谢谢你给出上下文,那些天真地以“对号入座”方式看待中英文的朋友总是甩出只言片语让人翻译,实在是有问题.我的翻译如下：
1.Tom is against me/Tom is my adversary/competitor/Tom voted against me/Tom did something against me
2.Tom is against Jack's decision/Tom objects Jack's decision/Tom holds objection againt Jack's idea,等等.时态根据上下文可调整.
我在美国十年了,答案仅供参考.