trouble
used as an uncountable noun
Trouble is most commonly an uncountable noun. If something causes you trouble, you have difficulty dealing with it.
The weather was causing more trouble than the enemy.
This would save everyone a lot of trouble.
You can say that someone has trouble doing something.
Did you have any trouble finding your way here?
Be careful
Don't say ‘Did you have any trouble to find your way here?’
Don't say ‘Did you have any trouble to find your way here?’
‘troubles’
Your troubles are the problems in your life.
It helps me forget my troubles and relax.
Be careful
You don't usually refer to a single problem as ‘a trouble’.
You don't usually refer to a single problem as ‘a trouble’.
‘the trouble’
If a particular aspect of something is causing problems, you can refer to this as the trouble.
It's getting a bit expensive now, that's the trouble.
The trouble is there's a shortage of suitable property.