scarcer , scarcest
If something is scarce, there is not enough of it.
Food was scarce and expensive.
食物匮乏而且昂贵。
Jobs are becoming increasingly scarce.
工作职位变得越来越稀缺。
the allocation of scarce resources.
稀缺资源的分配。
make oneself scarce
If you make yourself scarce, you quickly leave the place you are in, usually in order to avoid a difficult or embarrassing situation.
It probably would be a good idea if you made yourself scarce.
你最好能够回避下。