1ADJ-GRADED (系统、机构等)负担过重的,不堪重负的 If a system or organization is overburdened, it has too many people or things to deal with and so does not function properly. (系统、机构等)负担过重的,不堪重负的 [Also + with]
The city's hospitals are overburdened by casualties. [+ by]
大量伤员使该市的医院不堪重负。
...an overburdened air traffic control system.
超负荷运转的空中交通管制系统
2ADJ-GRADED (人因工作、问题等)负担过重的,不堪应付的 If you are overburdened with something such as work or problems, you have more of it than you can cope with. (人因工作、问题等)负担过重的,不堪应付的 [Also + by]
The Chief Inspector disliked being overburdened with insignificant detail. [+ with]