• But you must be careful. It is easy to get lost in the waves of moving sand especially during sandstorms.

    VOA: special.2010.01.04

  • So it's a way of reminding you, I've got to be careful about the types of things that I put in.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • Absolutely. You just have to be careful and you know, constantly be looking everywhere.


    喜欢自行车 - SpeakingMax英语口语达人

  • For example, read copies of a group's financial records and be careful of groups with names that sound like well-known charities.

    VOA: special.2009.11.02

  • Be careful. Suppose we are doing an adiabatic process.


    麻省理工公开课 - 热力学与动力学课程节选

  • Companies also have to be careful or they could get into trouble with the Equal Employment Opportunity Commission.

    VOA: special.2011.02.28

  • The message I'm trying to get to here, because I'm running you right up against time, is I have to be careful about what's a primitive step.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • But it also has to be careful, or people could start to worry about an invasion of privacy.

    VOA: special.2010.05.28

  • Let's be careful here; let's do this for Firm 1 and we'll do Firm 2 in a second.


    耶鲁公开课 - 博弈论课程节选

  • But they do need to be careful not to wound themselves with chainsaws or other pruning tools.

    VOA: special.2009.10.06

  • You would? Be careful, don't lean over too much.


    耶鲁公开课 - 公正课程节选

  • People in business have to be careful if they are to survive the jungle out there.

    VOA: special.2010.05.16

  • Well--again, we gonna be careful about refining this, just like we all agreed, I suppose, that you can have the very same body even though somebody--the parts come and go, items get added, other items get knocked off.


    耶鲁公开课 - 死亡课程节选

  • Control weeds growing around bean plants, but be careful not to harm the plants.

    VOA: special.2009.03.24

  • Be careful.


    耶鲁公开课 - 基础物理课程节选

  • And be careful about stalagmites you might trip over one on the floor.

    VOA: special.2009.12.07

  • He also did it from the El Camino Community College Library because he thought, I'll be careful, I won't issue this fake press release on my own computer because they might be able to track me back to my own computer.


    耶鲁公开课 - 金融市场课程节选

  • Be careful C it is very sharp, with teeth just like a saw.

    VOA: special.2009.06.30

  • I just go through these equations, 3 but be careful to Z equals three.


    麻省理工公开课 - 固态化学导论课程节选

  • But the public was warned to be careful of false appeals.

    VOA: special.2010.01.16

  • That's why it's all in French, because it's not copyrighted, and we have to be careful with that in here with these camera rolling--cameras rolling.


    耶鲁公开课 - 聆听音乐课程节选

  • But they must be careful not to get too close.

    VOA: special.2009.04.15

  • Now, we need to be careful here about what's going on.


    耶鲁公开课 - 心理学导论课程节选

  • "That is true," I said, "but you must be careful."

    VOA: special.2009.02.07

  • Anyway, you have to be careful with your motorcycle and always wear your helmet.


    I didn't 实战 - SpeakingMax英语口语达人

  • "Be careful,my young friend. You are in great danger."

    VOA: special.2009.05.23

  • And he said, "Tal, you'll have to be careful."


    哈佛公开课 - 幸福课课程节选

  • "First of all, I want everybody here to be careful about what you post on Facebook because in the YouTube age, whatever you do, it will be pulled up again later somewhere in your life.

    VOA: special.2009.09.14

  • You'd better be careful.


    I'd better 实战 - SpeakingMax英语口语达人

  • I declare a variable called n. I'm not giving it a value yet, so I had better be careful.


    哈佛公开课 - 计算机科学课程节选

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