attacker

The attacker kicked him in the stomach.(袭击者一脚踢在他肚子上。)

The attacker threatened them with a gun.(袭击者用枪威胁他们。)

We had only a vague description of the attacker.(我们只有那个袭击者的粗略描述。)

She was able to identify her attacker.(她认出了袭击她的人。)

He kneed his attacker in the groin.(他用膝盖猛撞攻击者的下身。)

If your program is a viewer or editor of data—such as a word processor or an image displayer—that data might be from an attacker, so it's an untrusted input.(如果您的程序是数据的浏览器或者编辑器——比如文字处理器或者图像显示器——那么那些数据有可能来自攻击者，所以那是不可信的输入。)

She gave an exact description of the attacker.(她对袭击者的特征作了精确的描述。)

This information will help us build a picture of his attacker.(这条信息将有助于描画出袭击他的人的相貌。)

The police have so far failed to track down the attacker.(警方至今未能追捕到攻击者。)

Her loud scream scared the attacker and people came to help.(她的尖叫声把袭击者吓了一跳，人们赶来帮忙。)