n.

1. 存在，實在[U]
   We do not believe in the existence of ghosts.

   我們不相信真有鬼。

2. 生存[U]
   a struggle for existence

   爭取生存的鬥爭

3. 生活，生活方式[U][S1]
   The explorers led a dangerous existence.

   探險家過著危險的生活。

4. 存在物，實體；萬物[C]

n.

1. the fact or state of existing.
   ▸a way of living.
   ▸(in certain beliefs) any of a person's successive earthly lives.
2. archaic a being or entity.