为了记住你的银行卡密码（比如4298），想象你坐在帆船上，一只天鹅尝试攻击你。

To remember your ATM PIN (4298, say), imagine yourself on a sailboat when a swan tries to attack you.

youdao

如果狮子或老虎在大弯曲国家公园攻击你，你可以迅速逃跑。

If a lion or a tiger attacks you in Big Bend National Park, you can run away quickly.

youdao

当病毒攻击你的身体时，你的身体会努力摆脱它。

When a virus attacks your body, your body works hard to get rid of it.

youdao

So, if you want to attack urban air quality, this is probably moving in the wrong direction, OK?

所以如果你想攻击都市的空气质量，这可能是一个错误的方向，对吗？

麻省理工公开课 - 固态化学导论课程节选

Now, if you are standing there with your -- by the way the first three rows have a chance of hitting each other.

现在,如果你站在那里用你的 --,顺便提一下前三排有机会互相攻击

耶鲁公开课 - 古希腊历史简介课程节选

How do you want to aim it so you can be most effective?

你怎样瞄准才能使攻击最有效

耶鲁公开课 - 基础物理课程节选