morass
noun [ C usually singular ] uk/məˈræs/ us/məˈræs/
(COMPLICATED SITUATION)
泥沼；困境
something that is extremely complicated and difficult to deal with and makes any progress almost impossible
The morass of rules and regulations is delaying the start of the project. 繁冗的规章制度拖延了项目的启动。
(WET GROUND)
literary沼泽，泥淖
an area of soft, wet ground in which it is easy to get stuck