我的靴子沾满了泥巴，需要清洗。

My boots are covered in ___muck and need to be cleaned.

孩子们在花园里玩泥巴，把衣服都弄脏了。

The kids ___mucked up their clothes while playing in the garden.

别在那儿瞎忙活了，快来帮我整理这些文件。

Stop ___mucking about and come help me organize these files.

园丁用粪肥给蔬菜施肥。

The gardener used ___muck to fertilize the vegetables.