Two weeks ago, the American Psychological Association issued a report claiming a connection between violent video games and aggressive behaviour.

两周前，美国心理学会发表了一份报告，宣称暴力视频游戏和挑衅性行为有关。

They now recognise how to, in which situation, they have to activate aggressive behaviour.

他们现在认识到如何，在什么情况下，他们必须激活攻击性行为。

Teachers apparently expect a certain amount of aggressive behaviour from boys.

【aggressive】老师看来知道男孩子多少会有一定的攻击性行为。

Given that we've seen that people actually could exhibit some quite aggressive behaviours, commit crimes, do other nasty things when they're asleep.

鉴于我们已经看到，人们在睡觉时实际上会表现出一些相当有攻击性的行为，会犯罪，会做其他令人讨厌的事情。

If we want to really change the aggressive behaviour at a large level, we need to completely change the intervention process.

如果我们想要真正在大层面上改变攻击行为，我们需要彻底改变干预过程。

And war and fighting in dreams, can even manifest as a result of aggressive behaviour or an abusive relationship that you are in or have been in, in the past.

在梦里打仗或是打斗，甚至可以表现为你现在正在，或是过去经历过的攻击性行为或虐待关系所造成的结果。

With a wingspan of 1.5 meters, red and black in colour, and its aggressive behaviour against humans who happen to encroach upon its lands, it's unsurprising that there have been several recorded attacks.

它们有着1.5米长红黑相间的翼，且对于碰巧进入它的领地的人类它们极富攻击性，所以有它们曾多次袭击人类的记录也就不足为奇了。