動詞 retaliate:

1. take revenge for a perceived wrong
   同義詞：revenge, avenge
2. make a counterattack and return like for like, especially evil for evil
   同義詞：strike back

1. He sought every opportunity to retaliate on his persecutors.
   他尋求每一個機會向迫害他的人們復(fù)仇。
2. He slapped his sister, who retaliated by kicking him.
   他打了妹妹一巴掌，他妹妹回敬他一腳。
3. If we impose import duties, other countries may retaliate against us.
   我們?nèi)翎缡者M口稅，別的國家就可能報復(fù)我們。

re.tal.i.ate

v.（動詞）
re.tal.i.at.ed,re.tal.i.at.ing,re.tal.i.ates
v.intr.（不及物動詞）
To return like for like, especially evil for evil.
報復(fù)，回報：以牙還牙，尤指以惡報惡
v.tr.（及物動詞）
To pay back (an injury) in kind.
進行同樣報復(fù)：以同樣的方法（傷害）進行報復(fù)

來源：
Late Latin ret3li3re ret3li3t-
后期拉丁語 ret3li3re ret3li3t-
Latin re- [re-]
拉丁語 re- [表示.再.]
Latin t3liô [punishment in kind] * see tel…-
拉丁語 t3liô [以同樣方法的懲罰] *參見 tel…-

【引伸】
retal.ia.tion
n.（名詞）
retal.ia.tive 或
retal.iato.ry
retal.ia.tor
n.（名詞）