In spite of his premeditated carefulness, the floor would now and then creak.

尽管他事先策划周密，但地板还是会不时吱嘎作响。

I think I am too much carefulness.

我认为我过于谨慎。

Carefulness insures you against errors.

工作细心可使你避免发生差错。

Carefulness insures you against errors.

谨慎细致可使你避免发生差错。

I think carefulness is really important.

我认为细心是很重要的。