snake in the grass
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
An unrecognizable danger or hidden enemy.
Nghĩa · Tiếng Việt
mối nguy hiểm không nhận ra được hoặc kẻ thù ẩn náu
Machine-translated — suggest a fix
Where it’s used:
Used
Widespread English
Sources & notes
Imported from Wikipedia “English-language idioms” (CC BY-SA 4.0, retrieved 2026-07-29), pending review.
Common questions
What does “snake in the grass” mean?
An unrecognizable danger or hidden enemy.
Is “snake in the grass” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.