如果你知道有人从你后面走过来要攻击你，把手举到身前，转身大声说“停”，然后走开。

If you know someone is coming up behind you to attack, turn toward the person with your hands up in front of your body and loudly say "stop" before walking away.

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

风险2：如果遭遇攻击，你的浏览器有多脆弱。

Risk 2: How vulnerable your browser is if it's attacked.

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

If you're expecting to be attacked and besieged, as all these citadels would be by an invader, you would want more than anything else a water supply, but they didn't necessarily have good water supplies in such circumstances.

如果你预料到会被攻击和包围,就像这些城邦面对侵略者那样,你最关心的一定是水源供应,但在这样的情况下,他们未必能找到充足的水源

耶鲁公开课 - 古希腊历史简介课程节选