If you retaliate when someone harms or annoys you, you do something which harms or annoys them in return.
例句
I was sorely tempted to retaliate...我非常想報復。Christie retaliated by sending his friend a long letter detailing Carl's utter incompetence...為了報復，克里斯蒂給他朋友寄了一封長信，細述卡爾完全不稱職。
英漢詞典釋義
vi.
報復, 反擊
If you strike me, I shall retaliate.你要是打我, 我就還擊。
英英詞典釋義
Verb
1. take revenge for a perceived wrong;
"He wants to avenge the murder of his brother"
2. make a counterattack and return like for like, especially evil for evil;
"The Empire strikes back""The Giants struck back and won the opener""The Israeli army retaliated for the Hamas bombing"