be (all) downhill idiom
容易多了，好办多了
to be much easier
Once we get the preparation done, it'll be downhill all the way. 一旦完成了准备工作，其余的事情就好办了。
If I can just get through the training period, it'll be all downhill from here. 如果我能熬过培训阶段，其余的日子就好过多了。