ghost

中文： 鬼、鬼魂、幽魂、幽灵

1. A disembodied soul; a soul or spirit of a deceased person; a spirit appearing after death. (countable, uncountable)
2. Any faint shadowy semblance; an unsubstantial image. (countable, uncountable) · not a ghost of a chance· the ghost of an idea
3. A false image, such as in a photographic print or negative, on a television screen, radar display, or telescope, caused by poor or double reception or reflection (from a lens or screen). (countable, uncountable)
4. A faint image that remains after an attempt to remove graffiti. (countable, slang, uncountable)
5. A nonexistent person invented to obtain some (typically fraudulent) benefit. (countable, uncountable)
6. A dead person whose identity is stolen by another (see ghosting). (countable, uncountable)
7. An unresponsive user on IRC, resulting from the user's client disconnecting without notifying the server. (countable, uncountable)
8. A copy of a file or record. (countable, uncountable)

复数 ghosts