I give you my blessing

[Ju]

"I give you my blessing" means "It's OK with me." People give their blessings to ideas and actions when they agree with them.

A. "You don't get my blessing."
B. "I won't give you my blessing."

1. A and B mean "It's not ok with me." or "I don't agree with you."

2. Shall I say "blessing" or "blessings"?

 

[jutfrank]

1. A and B mean "It's not ok with me." Yes, okay, that's close enough. or "I don't agree with you." No, they don't really mean this.

2. Shall I say "blessing" or "blessings"? Say blessing, singular.

Here are a couple of links to dictionaries. You can look up the meaning and use of the phrase give somebody your blessing.

https://dictionary.cambridge.org/dictionary/english/blessing

https://www.macmillandictionary.com/dictionary/british/blessing