不是所有说你坏话的人都是你的敌人。

Not everyone who drops dung on you is your enemy.

youdao

当你感到害怕时，思考会是你的敌人。

When you’re afraid, thinking is your enemy.

youdao

永远不要低估你的敌人。

Never underestimate your enemy.

youdao

He tells us, to get a little bit ahead of ourselves, that justice is helping your friends and harming your enemies.

他告诉我们稍微设想一些未发生的事，正义会帮助你的朋友,并击败你的敌人。

耶鲁公开课 - 政治哲学导论课程节选

So an adversary who's actually trying to break your programs 'cause frankly too much software these days is not written with a paranoia in mind.

或者说是你的敌人,而且千方百计地要破坏你的程序,唉，这种漏洞百出的软件我见过的是在太多了。

哈佛公开课 - 计算机科学课程节选

You want to get through that as fast as you can, and engage with the enemy.

你想尽可能快地摆脱这些,与你的敌人交战

耶鲁公开课 - 古希腊历史简介课程节选