treacherous
🇺🇸
/ˈtretʃərəs/
🇬🇧
/ˈtretʃərəs/
Someone who is not loyal and may harm you.
He was weak, cowardly, and treacherous.
그는 약하고 겁먹었으며 배신자였습니다.
A situation that is unsafe, even if it looks safe.
The ice on the roads made driving conditions treacherous.
도로에 얼음이 생겨 운전 조건이 위험해졌습니다.