expression
A polite, somewhat formal greeting. Often used when inquiring about someone's well-being or mood. Can be used as a set phrase.
お久しぶりです。ご機嫌いかがですか。
It's been a while. How are you?
ご機嫌いかがですか。今日はいい天気ですね。
How are you? It's nice weather today, isn't it?