treacherously
🇺🇸
/ˈtretʃərəsli/
🇬🇧
/ˈtretʃərəsli/
adverb
R
in a way that betrays someone's trust
He treacherously revealed our secret to the enemy.
他背信棄義地將我們的秘密洩露給了敵人。
R
in a deceptively dangerous way
The path was treacherously slippery after the rain.
雨後這條路非常滑，很危險。
translation
背叛地, 危險地