神出鬼没
shénchū-guǐmòTraditional 神出鬼沒
to come and go like a ghost; elusive
Every meaning
shénchū-guǐmò
- to come and go like a ghost; elusive
Its characters
Words with 神
Words with 出
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.