treacherous
US /ˈtretʃ.ɚ.əs/
UK /ˈtretʃ.ɚ.əs/

1.
pengkhianat, curang
guilty of or involving betrayal or deception
:
•
He was accused of being a treacherous spy.
Dia dituduh sebagai mata-mata pengkhianat.
•
The politician's actions were seen as treacherous by his former allies.
Tindakan politisi itu dianggap khianat oleh mantan sekutunya.
2.
berbahaya, licin
presenting hidden or unpredictable dangers
:
•
The mountain pass was treacherous in winter.
Jalur gunung itu berbahaya di musim dingin.
•
The icy roads were treacherous for drivers.
Jalanan yang licin berbahaya bagi pengemudi.