The phrase "to attempt an explanation" means to try and give an understanding or clarification about something, even though it may be difficult or challenging to do so. Full definition
That's why I broke my own rule and attempted an explanation on my site. (nakedpastor.com)
For each of the five points, they provide a theological explanation for the point, and then «prove» it by citing numerous pages of Scriptural proof - texts, without ever attempting an explanation of any of those texts. (redeeminggod.com)
To attempt an explanation of how accountability for the entire system is possible, I elected to begin with a statement from this, October 28, 2014, letter from key civil rights organizations. (thecrucialvoice.com)