Among subjects who hadn't eaten the raisin, those who were told they'd been rejected by the group became aggressive, inflicting long and painful sonic blasts without provocation.

在没有吃葡萄干的研究对象里，那些被告知被团体拒绝了的人在没有受到刺激的情况下变得好斗，造成持续时间长而痛苦的快速爆发。

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Most notably, they became more affectionate rather than more aggressive when in the holding areas.

最明显的是当它们在等候区时，变得更加有爱，而不是富有攻击性。

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But even the more aggressive men who got married became less antisocial after the ceremony, the researchers found.

不过研究者发现，即使相对好斗的已婚男人，在经过婚礼以后也变得不那么反社会了。

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It is unclear why the elephant became aggressive, said the park spokesman William Mabasa.

NPR: South Africa: Elephant Overturns Vehicle

When an officer entered the property, Bather became aggressive, pushing the officer against a wall and then onto the floor.

BBC: Connor Carl Bather sentenced for driving 'like a maniac'

Mr Alder had been arrested after he became aggressive and abusive at Hull Royal Infirmary, where he was taken after being assaulted outside a city centre hotel.

BBC: Police hearing after custody death