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1·He really must be careful about thinking aloud. Who knew what he might say?

他真地得对自言自语小心点。谁知道他可能会说什么？《柯林斯英汉双解大词典》

2·You should be careful about how to talk with them.

你应该要注意与他们交谈的方式。

3·A boy might be careful about sharing his feelings with his close friends.

一个男孩可能会对与他的密友分享其感受小心翼翼。

4·Ashley Peterson, a doctor in the United States, thinks we should be more careful about how we greet people.

美国的一名医生阿什利·彼得森认为，我们应该更加注意如何与人打招呼。

5·Something else they need to be careful about is medicines.

他们还需要注意的是药物。

6·Jackie Chan records a theme song for an event in Beijing. And he says he's careful about what he endorses.

成龙在北京为一件大事录制了一首主题曲。他说会对自己代言的产品倍加小心。

7·Paying kids for housework is one of the most popular topics, especially at a time when everyone is more careful about money.

为孩子做家务付钱是最流行的话题之一，尤其是在这个大家都对钱都更谨慎的时代。

8·A cave bat, which regularly lives on a hard stone ceiling, is more careful about its landing preparation than a bat more accustomed to landing in leafy treetops.

洞穴蝙蝠通常生活在坚硬的石头天花板上，它比习惯降落在枝叶繁茂的树梢上的蝙蝠要更小心地做好着陆准备。

9·I think you should be careful about talking of the rebels as heroes.

我认为你还是当心点好，别把叛乱分子说成是英雄。《柯林斯英汉双解大词典》

10·People should be careful about their possessions and not leave them lying around.

人们应该看管好自己的物品，不要到处乱放。《柯林斯英汉双解大词典》