The attacker was beaten off.

进攻者被击退了。

《牛津词典》

The attacker threatened them with a gun.

袭击者用枪威胁他们。

《牛津词典》

We had only a vague description of the attacker.

我们只有那个袭击者的粗略描述。

《牛津词典》

A hypnotist attempts to get the boy to a mental state where he can discuss what he saw so that police can learn more about the attacker.

VOA: special.2011.07.13

So his payoff, the attacker's payoff, is how many battalions does he get to bring into your country?

入侵者的收益,是他攻入你国家时还剩余多少兵力

耶鲁公开课 - 博弈论课程节选

But if the attacker was to attack through the hard pass, again not surprisingly, you do better if you defend the hard pass than the easy pass.

但如果入侵者选择崎岖之途,仍然是毫无疑问,选择防御崎岖之途要比平坦之途好

耶鲁公开课 - 博弈论课程节选

The attacker was wearing a robe at the time of the assault, a police spokesman said.

CNN: French police arrest suspect in soldier's stabbing

Both women were strangers to the attacker and were on their way to work.

BBC: Sally Hodkin murder case: Witness recalls knife attack

It took state officials another 10 days to block the attacker from coming back.

FORBES: Security Experts Warn State Governments Face Losing Battle With Hackers