- counterattack or retaliate in a fight, struggle, or contest；attempt to repress a feeling or its expression
- counterattack or retaliate in a fight, struggle, or contest
Oxford American Dictionary
...the problem behind it. However, in some circumstances, you have to fight back to gain respect from others. If you have to do so, fight fair and square...
They fought back the tears. 他們強忍眼淚。 （眼淚不由自主的要奪眶而出，必須強自克制...
...act in brain 這可為標題意思為藥物對腦部的作用﹐這裡的act翻譯為作用/活動. fought back=fight back (原形). 反擊 fighting about 這也不是一個片語, fighting...