When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.

当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。

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Armani says he felt that Hooks wasn't aggressive enough in pushing the retail strategy.

WSJ: The Future of Armani

The female judges were also more likely than male judges to complain that police weren't aggressive enough in going after pimps and customers.

CNN: Selling Atlanta's children: What has and hasn't changed

Sakurai says his interrogators weren't aggressive but there have been cases in which the police or prosecutors are alleged to have treated their suspects badly.

BBC: Japan crime: Why do innocent people confess?