Was heißt »trüb« auf Englisch?

Das Adjektiv »trüb« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Der Inhalt dieser PET-Flasche ist wolkig trüb und gelblich. Könnte es sich um Urin handeln?: The content of that polyethylene bottle is cloudy and yellowish. Could it be urine?
Das Wasser war trüb.: The water was murky.
Das Wasser im Glas ist trüb.: The water in the glass is murky.; The water in the glass is cloudy.; The water in the glass is dirty.
Draußen ist es trüb.: It's murky outside.
Das Wetter ist trüb.: The weather is murky.

There's never a dull moment when Tom is around.
My life would be very dull without books.
My knife has gotten dull.
My boots were muddy.
My boots are muddy.
The road is muddy.
Go slow if the road is muddy.
Tom noticed Mary's shoes were muddy, but he didn't say anything.
Tom's dog left muddy paw prints all over his new carpet.
There's never a dull moment with Tom.
This party is dull.
When Scrooge awoke, it was so dark, that looking out of bed, he could scarcely distinguish the transparent window from the opaque walls of his chamber.
Because it had been raining for a couple of days, the pitch was muddy and difficult to play on.
Tom got muddy playing football.
Brian's all muddy. He's been playing football.
The road was muddy and slippery.
We can talk for hours and it never gets dull.
Tom saw muddy footprints on the floor.
If our lives of faults were free, think how dull they all would be.
It had rained for many days, and the road was so muddy that, at times, Pinocchio sank down almost to his knees.