YOU SAID:

wet muddy ground too soft to support a heavy body:

INTO JAPANESE

濡れた泥だらけの地面が柔らかくて重い体を支えることができない：

BACK INTO ENGLISH

The wet muddy ground is soft and unable to support heavy bodies:

INTO JAPANESE

湿った泥だらけの地面は柔らかく、重い体を支えることができません。

BACK INTO ENGLISH

Wet and muddy ground is soft and can not support heavy bodies.

INTO JAPANESE

湿った泥だらけの地面は柔らかく、重い体を支えることができません。

BACK INTO ENGLISH

Wet and muddy ground is soft and can not support heavy bodies.