to remove things you do not need from a place, in order to make it more pleasant and more useful清除,清理(多余物品)
I'm going to declutter before my family comes to visit.我要在亲戚来之前清理一下房子。
Declutter your kitchen worktops to give yourself more space to cook.把你厨房的操作台清理一下,这样做饭的时候就有更多空间。