thorny

这片灌木丛长满了刺，非常扎人。

This bush is ___thorny and hard to touch.

小心别被那片多刺的灌木丛划伤。

Be careful not to get scratched by that patch of ___thorny plants.

这个法律问题非常棘手，需要专家来解决。

This legal matter is quite ___thorny and requires an expert to resolve.