quagmire

这个项目陷入了法律纠纷的泥潭。

The project got stuck in a legal ___quagmire.

他们的婚姻陷入了长达数年的情感困境。

Their marriage was stuck in an emotional ___quagmire for years.

雨后，田野变成了泥泞的沼泽地。

After the rain, the field became a ___quagmire of mud and water.