Leaving or Escaping

The key suspect in the investigation vanished without a trace; so it's safe to say that the bird has flown.

擅离职守的, 逃兵

The soldier is knowingly AWOL, disregarding the consequences of leaving without permission.

这名士兵故意AWOL，无视未经许可离开的后果。

The company's financial situation was stable, but when a major client cancelled their contract, things went south quickly.

The fugitive has been on the run for weeks, constantly changing locations to evade capture.

He often goes to ground whenever he wants to avoid unwanted attention.

He often gives his younger sister the slip when she tries to tag him during their game.

He often busts a move when he realizes he's running late for work.

No one made a move to help.

The fugitive is in the wind, having eluded capture once again.

The magician waves his hand, and the coin disappears into thin air.

She often pulls a disappearing act at parties, leaving without saying goodbye.

He's planning a moonlight flit from his apartment tonight to avoid paying the rent.

The inmate is currently attempting to go over the wall as a desperate bid for freedom.