fall into place idiom
有条不紊地进行，按部就班
When things fall into place, they happen in a satisfactory way, without problems.
If you plan the project well, then everything should fall into place. 如果你项目计划得当，那么一切都应有条不紊地进行。
C2 变得清楚;明朗化
When events or details that you did not understand before fall into place, they become easy to understand.
Once I discovered that the woman was his sister, everything fell into place. 一旦我发现那个女人是他姐姐，一切都变得清楚起来。