for there to be something fishy and suspicious going on, for there to be something in the wind, in the offing
eş: y avoir baleine sous graviers, y avoir caca sous neige, y avoir une douille
köken: Literally, “there is an eel hidden beneath a rock”. Compare also Latin latet anguis in herbā (whence English snake in the grass), as well as Dutch addertje onder het gras.
to smell a rat; to have suspicions that everything is not quite alright and that there may be more to it than meets the eye.
çekim: geçmiş anade ugglor i mossen
köken: Partly a corruption of the Danish expression ugler i mosen (“owls in the marshes”) which hints of dangers ahead. Literally, “To sense owls in the marsh.”
köken: Literally: "There are owls in the bog/swamp". The expression is a corruption of the Jutish der er uller i mosen, which referred to wolves (ull, see ulv). The expression spread to Copenhagen with Jutlandic bull traders, who used it to describe dubious transactions.