Translation of "Urchins" in Japanese

My flower garden was trampled by urchins.

いたずらっ子にすっかり花壇を踏み荒らした。

- Seeing my brother trembling before the urchins mocking him made me anxious and angered at the same time.
- Having seen my brother trembling before the urchins mocking him, I became anxious and angered at the same time.

いじめっ子たちにビクビクしている弟を見ていると、ハラハラすると同時にイライラする。