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

VOA: special.2009.10.06

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.

都是法文,因为没有相关版权,而且我们必须得特别小心,何况我们还在录像

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

不管怎么说，你都要小心骑摩托车，记得一定要带着头盔。

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And I've got to worry about, is somebody else using ANS, answer, as a variable, in which case I've got to be really careful. Is somebody else using x as a variable? I've got to deal with a lot of those details.

而且我还要担心有没有别人,使用了ANS，answer作为变量,这样我就必须要非常小心,有没有别人用x当做变量呢？,我需要处理很多类似的细节。

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