Thee corridor is forbidden in the running and jumping.

走廊是在奔跑和跳跃的禁止。 。

youdao

Please keep the dorm clean, keep the corridor unobstructed. It's forbidden to hang, put or throw any objects outside the window. Domestic animals are not allowed to be kept.

保持宿舍内外清洁，维护楼道畅通，不得在窗外悬挂、摆放物品或往窗外投弃物品，不得饲养家禽家畜等宠物。

youdao