treacherous

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

traditore, infido

guilty of or involving betrayal or deception

:
He was accused of being a treacherous spy.
Fu accusato di essere una spia traditrice.
The politician's actions were seen as treacherous by his former allies.
Le azioni del politico furono considerate traditrici dai suoi ex alleati.
2.

pericoloso, insidioso

presenting hidden or unpredictable dangers

:
The mountain pass was treacherous in winter.
Il passo di montagna era pericoloso in inverno.
The icy roads were treacherous for drivers.
Le strade ghiacciate erano pericolose per i conducenti.