stow away
US /stoʊ əˈweɪ/
UK /stoʊ əˈweɪ/

1.
esconderse, viajar de polizón
to hide on a ship, aircraft, or other vehicle in order to travel secretly or without paying
:
•
The young man tried to stow away on a cargo ship heading to America.
El joven intentó esconderse en un barco de carga con destino a América.
•
It's dangerous to stow away; you could be caught or face harsh conditions.
Es peligroso esconderse; podrías ser atrapado o enfrentar condiciones difíciles.