1. Her effrontery knew no bounds as she brazenly cut in line in front of everyone.
她的厚颜无耻无所不至，竟然在所有人面前抢先排队。

2. The politician's effrontery in denying any wrongdoing despite clear evidence against him was truly shocking.
尽管有明显的证据证明他的错误，但那位政客却厚颜无耻地否认任何犯错，令人震惊。

3. I couldn't believe the effrontery of the salesman who tried to sell me a faulty product at full price.
那名销售员竟然试图以全价向我出售一个有问题的产品，他的厚颜无耻让我难以置信。

4. The student had the effrontery to ask the teacher for a passing grade even though he had not done any of the required work.
尽管他没有做任何必要的工作，这个学生居然厚颜无耻地向老师要求给他及格分数。

5. The thief had the effrontery to return to the scene of the crime the next day as if nothing had happened.
那个小偷竟然厚颜无耻地第二天回到犯罪现场，仿佛什么也没有发生过。

6. Despite her effrontery, she was unable to talk her way out of the serious charges brought against her.
尽管她厚颜无耻，但她无法摆脱对她提出的严重指控。