Usage patterns
礼儀を守るto observe proper manners
It's important to observe proper manners in any situation.
礼儀を欠くto lack manners; to be discourteous
His greeting lacked proper courtesy.
礼儀に反するto violate etiquette
That behavior goes against proper etiquette.
〈人〉に礼儀を教えるto teach someone manners
The grandfather taught his grandchild manners.
礼儀を尽くすto show full courtesy
He treated the guest with the utmost courtesy.
Expressions
近しき中に礼儀有りgood fences make good neighbors; a hedge between keeps friendship green 親しき仲にも礼儀ありgood fences make good neighbors; a hedge between keeps friendship green
