Careful consideration should be given to issues of health and safety.
健康與安全的問題應該認真予以考慮。
She was careful not to let her control slip.
她小心翼翼，不讓自己失控。
Word always gets out no matter how careful you are.
無論你多么小心，總會有消息走漏。
Careful maintenance can extend the life of your car.
精心保養可延長汽車壽命。
You'll have to be careful how you frame the question.
如何提出這個問題，你得慎重。