an effort that is inconvenient
"I went to a lot of trouble"
"he won without any trouble"
"had difficulty walking"
"finished the test only with great difficulty"
A distressing or dangerous situation.
"The sudden power outage created a lot of trouble for everyone trying to finish their homework before the deadline."
In plain English: Trouble is a difficult situation that causes problems or worry.
"She decided to call her parents for help after she ran into some trouble on the road."
to cause inconvenience or discomfort to
"Sorry to trouble you, but..."
take the trouble to do something; concern oneself
"He did not trouble to call his mother on her birthday"
"Don't bother, please"
To disturb, stir up, agitate (a medium, especially water).
"The wind began to trouble the calm surface of the lake just before sunset."
In plain English: To cause problems or create difficulty for someone.
"The loud noise next door was really troubling me all night long."
Usage: Use this verb to describe physically disturbing the surface of liquids like water or air by stirring them into agitation. It is often confused with similar terms when describing emotional distress, but here it strictly refers to creating ripples or waves in a physical medium.
The word "trouble" comes from the Latin turba, meaning "crowd," which entered English via Old and Middle French to describe a disorderly group of people. Over time, this original sense shifted in English to refer to general confusion or difficulty rather than just a physical crowd.