take it to grave

take it to one's grave

to carry a secret with one until one dies. I will never tell anyone. I'll take your secret to my grave. She took the answer to the mystery to her grave.

Common Names:

Name	Pronounced	Usage
Benediktas	-	Lithuanian
Kgosi	-	Southern African, Tswana
Eiluned	-	Welsh
BronisŁAwa	braw-nee-SWAH-vah	Polish
Charles	[tʃɑ:lz]
Lyydia	LUY:-dee-ah	Finnish