y avoir anguille sous roche

French

Etymology

Literally "to have there an eel hidden beneath a rock."

Verb

y avoir anguille sous roche

1. (by extension, idiomatic) To suspect that there is something being hidden from us; to smell a rat.

Alternative forms

• Il y a anguille sous roche ("there is an eel hidden beneath a rock")

References

• Le Petit Robert, 1977