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

As Dastan defeats one enemy after another in 6th century Persia, it feels like we're watching him climb from one level to the next, with each challenge increasing in difficulty.

6世纪的波斯，达斯坦王子击败了一个又一个敌人。这感觉就像看着他从一个等级爬升到另一个等级，挑战的难度也随之提升。

youdao

It was clear that one massive Allied offensive would overwhelm the weakened enemy.

显然同盟国一次大规模的进攻就会彻底击败已被削弱的敌军。

《柯林斯英汉双解大词典》

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