One enemy can do more hurt than ten friends can do good。

十个朋友做的好事抵不上一个敌人造成的危害。

youdao

KILLING a soldier removes one enemy from the fray. Wounding him removes three: the victim and the two who have to carry him from the battlefield.

杀一名士兵会使冲突中减少一个敌人，而伤一名士兵却会减少三个敌人：伤兵及运送伤兵撤离战场的两名士兵。

youdao

Luigi couldn't see reason: 'Sorry, it may be all the same to you if I kill one enemy or another, but I'd be upset if I killed someone who had nothing to do with Alberto.'

路易基不明白为什么：“对不起，也许对于你们来说我杀了一个敌人或是其他敌人并没有什么两样。但是如果我杀了与阿尔贝托毫无关系的人的话，我会感觉很不安的。”

youdao

It was not until nineteen eighty-seven that Mister Reagan declared AIDS "public health enemy number one."

VOA: special.2011.06.15

One says, aim at your enemy and fire like this.

一种是,直接瞄准敌人,像这样射击

耶鲁公开课 - 基础物理课程节选

One, the enemy ran away; that's pretty good.

敌人逃跑了,这是一种,不错的一种

耶鲁公开课 - 古希腊历史简介课程节选

That matters, because time is your number one enemy in business, you never get it back.

FORBES: IBM: Your Database, Yuck

However we anaesthetists had one sworn enemy, and that was the plastic surgeons.

BBC: A mean time for doctors

This game is played in moments, one turbaned enemy popping up from behind cover, another rushing at you from behind a door.

FORBES: Nothing New in Medal of Honor: Warfighter