treacherous

US /ˈtretʃ.ɚ.əs/
UK /ˈtretʃ.ɚ.əs/
"treacherous" picture
1.

traicionero, pérfido

guilty of or involving betrayal or deception

:
He was accused of being a treacherous spy.
Fue acusado de ser un espía traicionero.
The politician's actions were seen as treacherous by his former allies.
Las acciones del político fueron consideradas traicioneras por sus antiguos aliados.
2.

traicionero, peligroso

presenting hidden or unpredictable dangers

:
The mountain pass was treacherous in winter.
El paso de montaña era traicionero en invierno.
The icy roads were treacherous for drivers.
Las carreteras heladas eran traicioneras para los conductores.