make certain of

make certain of something

to check something in order to be sure. Please make certain of what you want to do. Would you please make certain of the number of things you want to order?

Common Names:

Name	Pronounced	Usage
Iachin	-	Biblical Latin, Biblical Greek
Seong-Hun	sung-hoon	Korean
Wen	-	Chinese
Tiffiny	TIF-ə-nee	English (Rare)
Vasilii	-	Medieval Slavic
Vojtech	-	Slovak