1. He is up to his neck in debt and doesn't know how to get out of it.
他背负着巨额债务，不知道如何摆脱。

2. The project is behind schedule and I am up to my neck in work trying to catch up.
项目进度落后，我忙得不可开交。

3. She's up to her neck in paperwork and can't find the time to relax.
她被一堆文件淹没，无暇放松。

4. With exams coming up, students are up to their necks in studying.
考试临近，学生们忙于备考。

5. The company is up to its neck in legal troubles due to a recent lawsuit.
公司因最近的诉讼陷入了法律纠纷。

6. The city is up to its neck in traffic congestion during rush hour.
上班高峰期，城市交通拥堵不堪。