heavy-load

例句：

1. 1. The heavy-load of work has left me exhausted.
   繁重的工作让我筋疲力尽。
2. 2. The heavy-load of responsibilities is a common problem for many people.
   许多成年人面临的责任重担是一个常见问题。
3. 3. The heavy-load of taxes has caused the government to cut back on services.
   沉重的税收负担导致政府削减服务。