1. This running around and careless describing how things actually work.

2. The careless disposal of electronic equipment can cause significant health and environmental risks.

3. I was too careless, because these are state funds.

4. The lack of facilities results in careless disposal of electronic products.

5. But in this case, the facts lean towards sloppy data handling procedures and careless information security practices.

6. In its early years, Facebook made decisions that led to its current reputation as a careless company when it comes to user privacy.

7. At first he was careless and colloquial.