Be in cahoots phrase
To be secretly working together
I know my husband are in cahoots with the kids, but I don't know what they are doing.
Loggers are in cahoots with the local authorities to illegally exploit the forest.
It turned out that the contractor was in cahoots with the mayor to win the contract.
Used to tell someone to keep secret what you're about to say
A thing is known about by only a few people and kept hidden from others because it makes somebody feel ashamed.
Kept in secret
To make a secret plan
White lie
Ken: Yesterday I lost the watch that my girlfriend presented to me. Should I tell her this thing?
Lily: Certainly Not! Your girlfriend will be angry with you. Children and fools tell the truth.