小心，保持警惕：指在做某事时要小心谨慎，保持警惕。
当心，留神；小心，谨慎
Sam looked as if he didn't have a care in the world.
萨姆看上去好像什么事都不操心似的。
Jo, like Alcott herself, tries to have a career in writing and care for her family at the same time.
和奥尔科特一样，乔也在努力从事写作工作，同时照顾家人。
Friends, have a care, have mercy.
朋友们，注意，应当有同情心。
Republicans have promised to make the health care reform law a major issue in mid-term Congressional elections in November.
VOA : special.2010.03.27
We're glad you spent this time with us, and we hope you have a blessed and peaceful day. Take care.
很开心你们能和我们一起度过这段时光,希望你们能度过一个幸福而平和的一天，保重。
人性课程节选 : 普林斯顿公开课
You don't have to declare a special variable for it if you don't care about its actual value.
你并不需要为它声明一个特定的变量,如果你不关心它的实际值。
计算机科学课程节选 : 哈佛公开课
That way,H.I.V.-infected women could have plenty of time to get the pouch from a health care provider early in their pregnancy.
VOA : special.2010.05.24
There was nothing I could do. When you have this kind of a problem, you can only take care of your body.
VOA : special.2010.08.09
They could have been any happy couple in any part of the world - he did not seem to have a care.
Do you guys not -- the House Republicans yesterday responded to your comment saying that they didn't have a health care plan saying, hey, no, we have a health care plan.
Add on a luxurious room at the Lodge, or one of its spacious condos or villas for your entire group, and you will not have a care in the world from the moment you arrive until you leave.
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