To disturb, stir up, agitate (a medium, especially water).
To mentally distress; to cause (someone) to be anxious or perplexed.
What she said about narcissism is troubling me.
In weaker sense: to bother or inconvenience.
I will not trouble you to deliver the letter.
To take pains to do something.
I won't trouble to post the letter today; I can do it tomorrow.
To worry; to be anxious.
The infliction of trouble or distress.
Distressing, worrying