荆棘

例句：

1. 1. The road was covered in thorns, making it difficult to walk.
   这条路上满是荆棘，很难走。
2. 2. She had to climb over the thorny bushes to get to the other side.
   她不得不爬过那些荆棘丛才能到另一边去。
3. 3. The old tree was covered in thorns, making it a dangerous obstacle.
   那棵老树长满了荆棘，是个危险的障碍。