a snake in the grass
成語所屬單字grass
a snake in the grass — 慣用語
1. a person who pretends to be your friend but secretly cannot be trusted and may b
1.慣用語
釋義
偽君子；暗藏心機的人；蛇蠍之人
a person who pretends to be your friend but secretly cannot be trusted and may betray you.
例句
Nia trusted her colleague completely, only to discover later that he was a snake in the grass who had stolen her client list.
Be careful who you share your plans with — there may be a snake in the grass among your own team.