snake in one's bosom
書面·形容身邊隱藏的背叛者
例句
I trusted her, but she turned out to be a snake in my bosom.
典故來源
源自《伊索寓言》,農(nóng)夫?qū)鼋┑纳叻旁趹阎腥∨咛K醒后反咬農(nóng)夫,比喻恩將仇報(bào)。