反臉無情

Simplified: 反脸无情

fǎnliǎnwúqíng ㄈㄢˇ ㄌㄧㄢˇ ㄨˊ ㄑㄧㄥˊ

    • to turn one's face against sb and show no mercy (idiom) to turn against a friend

Character by character

Sources