get back at someone的用法和樣例：
例句
- I would pay him back for his treacheries.
對他的背信棄義我要報復。 - She got back at him by showing me the letter.
她把那封信拿給我看，以此來報復他。 - Get a lottery ticket and win the high price!
購買彩票，贏取高額回報！ - Investing in intelligence will get great reward.
投資於智力能收到巨大的回報。 - The defenders struck back at the aggressors.
侵略者遭到反抗者的反擊。 - Maybe I should have fought back.
也許我本來應該進行反擊。
