thicket

兔子迅速消失在灌木丛中。

The rabbit quickly disappeared into the ___thicket.

我们在那片小树林里发现了一窝野兔。

We found a nest of wild rabbits in the small ___thicket.

这个项目的预算问题已经变成了一团乱麻。

The budget issue of this project has turned into a ___thicket of confusion.