Dead men tell no tales proverb saying expression informal
Secrets cannot be revealed by the dead.
If you want Kim to keep secrets, the only way is to killing her. Dead men tell no tales.
He found out that they smuggled drugs, so they murdered him. Dead men tell no tales.
Used to tell someone to keep secret what you're about to say
To be secretly working together
Kept in secret
If a person has the devil's own luck, he or she has extremely good luck.
A: Yesterday I won a $10 million lottery jackpot and today I won a car in a draw.
B: You have the devil's own luck.