He drives very carefully.

他驾驶很小心。

youdao

Because he works very carefully, he has not produced a reject in the last six years.

因为他干活儿很仔细，所以连续6年不出废品。

《新英汉大辞典》

He dug the hole, put the four gold pieces into it, and covered them up very carefully.

他挖了一个洞，把四个金币放了进去，然后小心翼翼地埋好它们。

youdao

He moved around very slowly as if every move he made was carefully thought about before he made it.

VOA: special.2010.05.08

Even in his own account books which he kept very carefully about how much money he spent.

他甚至在自己的账本里,精心记录了他使用的经费

耶鲁公开课 - 欧洲文明课程节选

And he gets advice from people he respects on a variety of issues and he listens very carefully to that advice on those varieties of issues, and then he makes his decisions when he's ready to make them, and talks about them when he's got news to talk about.

WHITEHOUSE: Press Briefing

He will have to tread very carefully if he is to avoid adding to that impression and further alienating core supporters.

BBC: Blair's mayor crisis

He followed directions very carefully and mastered manufacturing.

FORBES: Pay Dirt