unattended

形容词 unattended:

1. not watched
2. lacking accompaniment or a guard or escort
3. lacking a caretaker
   同义词：neglected

1. The meetings were largely unattended.
   这些聚会的出席者寥寥无几。
2. An unattended fire.
   没有注意的火灾
3. Telephone shrilled unattended in deserted office.
   在空无一人的办公室里电话铃突然地发出刺耳的尖叫声。