No one spotted that the gun was a fake.

没有人留意到那是一支假枪。

《牛津词典》

Like during a fake fight, a play fight, if one of the animals is winning, the winning animal might just stop and give up its advantage.

就像在一场假格斗，一场游戏格斗中，如果其中一只动物快赢了，它可能就会停下来，放弃它的优势。

youdao

She hatched chicks with either strong or weak lateralisation, then presented the two groups with food hidden among small pebbles and the threatening shape of a fake predator flying overhead.

她孵化出了具有强侧向或弱侧向的雏鸡，然后为这两组小鸡准备了隐藏在小鹅卵石中的食物，还制造出假的掠食者飞过头顶的威胁形状。

youdao

In March,the court fined a former Herms saleswoman $7.5 million (U.S.) for selling fake crocodile-skin bags, several years ago.

VOA: standard.2009.04.23

Maybe what we should say is he thinks he remembers the experience of being crowned emperor, but it's a fake memory.

或许我们应该说，他自认为拥有那段经历，但那是虚假的记忆。

耶鲁公开课 - 死亡课程节选

So he sent out a fake--he bought -he shorted the company and he --the stock in the company- and he bought --he put out a fake press release saying that there was bad news for the company.

他散布假消息,他先卖空公司的股份,接着买入,然后他对外界放出假消息,说公司有重大利空

耶鲁公开课 - 金融市场课程节选

One e-mail claims to have duped CNN into reporting the words of a fake pro-Syrian commentator.

CNN: SHARE THIS

Te'o, of course, was the victim of a tabloid-ready hoax involving a fake girlfriend.

WSJ: 10 things to know about the NFL draft

The reporters were posing as representatives of a fake financial firm based in Liechtenstein.

BBC: UK Politics