（因为努力做某事而）心无旁骛，无暇顾及（别的事情）
If you do something to the exclusion of something else, you do it so much that you do not have time for the other thing.
He was obsessed, almost to the exclusion of everything else, with a family feud.
They worship money and power to the exclusion of every other part of human life.
We should not be using data collection to the exclusion of all other approaches.
The state has invested in road construction almost to the exclusion of other types of transport infrastructure.
Our penal system is preoccupied with control and containment to the exclusion of rehabilitation.
See also: exclusion