quagmire

名词 quagmire:

1. a soft wet area of low-lying land that sinks underfoot
   同义词：mire, quag, morass, slack

quag.mire

n.（名词）
Land with a soft, muddy surface.
泥泞地：表面松软泥泞的土地
A difficult or precarious situation; a predicament.
困境：困难或不稳定的境况；困境