go to great lengths

go to great lengths (to do something)

To put in a lot of effort, energy, or work to achieve something. We went to great lengths to ensure that this film was historically accurate. I appreciate that the tutor went to great lengths to make sure I understood the assignmentSee also: go, great, length

go to great lengths (to do something)

 and go to any lengths (to do something)to work very hard to accomplish something; to expend great efforts in trying to do something. I went to great lengths to explain to him that he was not in any trouble.See also: go, great, length