Muddy up phrasal verb informal
To pollute something with mud.
You remember to take your shoes off so that you don't muddy my floor up.
My brother was muddying his shoes up when he played in our garden.
Used to say that someone or something dredges up the mud at the bottom of a lake, pond, river, etc.
My father muddied up the pond behind my house to feed fish.
If you muddy up the lake, you will find your lost key.
To obfuscate something.
My documents on the table were muddied up because of my mischievous children.
Our roles will be muddied up if everyone does not obey.
To make water muddy.
My mother reminded me not to muddy the water up to see the lake.
Don’t muddy the water up. My father is looking for a water purifier.
The verb "muddy" should be conjugated according to its tense.
One needs to understand the basic techniques or primary details of something before taking actions that require greater skills
Peter failed because he did not learn to walk before he ran.