他筋疲力尽，累得都无法集中注意力做作业。
He was shattered and too tired to concentrate on schoolwork.
汤姆承认玩电子游戏有时会使他无心做作业。
Tom admits that playing video games sometimes distracts him from his homework
当老师布置家庭作业的.时候，学生们通常觉得做作业是分内之事。
When teachers assign homework, students usually feel an obligation to do it.
Children spend too much time on schoolwork, to the detriment of other activities.
