There must be some dessous des cartes that we are not aware of.
At Monterey, and on the coast between Monterey and Santa Barbara the dress 'du plus riche consiste en un manteau da peau de loutre qui couvre ses reins et descend au dessous des sines.
Il le fera par dessous la jambe = He will do it with the greatest ease (or, carelessly).
Il a vu ledessous des cartes = He has been behind the scenes; he is in the secret, “in the know.
He was a Spaniard, quite well known in St. Louis, Dessous by name.
When Captain Dessous thought it safe to venture, they examined the boats and found one with a large hole in the bottom where it had struck on the jagged rock.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "dessous" in a variety of sentences. We hope that you will now be able to make sentences using this word.