She disappeared and was never heard of again.

她消失了，再也没人听到过她的消息。

《牛津词典》

Detectives are trying to retrace her movements on the night she disappeared.

侦探试图查出她失踪当晚的行踪。

《牛津词典》

Slowly she disappeared forever.

慢慢地，她就永远消失了。

youdao

Then the doors opened and she disappeared inside.

VOA: special.2009.04.04

Slowly she disappeared forever.

VOA: special.2009.07.25

As the last trace of color disappeared from her cheek, she gave her last breath.

VOA: special.2009.09.26

After grabbing a torrent of media coverage upon her arrival, she disappeared from the public stage.

FORBES: All Carly, all the time

The first woman is a Brazilian, called Irani, who was in her mid-40s when she disappeared.

BBC: Search for canal killer John Sweeney's 'missing women'

Arlene was walking home from school with DeJesus in April 2004 just before she disappeared.

NPR: Cleveland Man Arraigned On Rape, Kidnap Charges