1. His constant tardiness and lack of communication showed a clear pattern of irresponsibility.
他经常迟到，缺乏沟通，表现出明显的不负责任。

2. The decision to drive after drinking was a dangerous display of irresponsibility.
喝酒后驾车的决定是一种危险的不负责任行为。

3. Her negligence in completing her work on time was a clear example of irresponsibility.
她没有按时完成工作的疏忽是不负责任的明显例子。

4. The company's failure to provide proper safety equipment showed a serious level of irresponsibility.
公司未能提供适当的安全设备表明了严重的不负责任。

5. The politician's scandalous behavior was a shocking display of irresponsibility towards his constituents.
政客的丑闻行为是对选民极不负责任的震惊表现。

6. Parents must teach their children the importance of responsibility and the consequences of irresponsibility.
父母必须教导他们的孩子责任的重要性和不负责任的后果。