Sometimes my mom reveals her elegant mannerisms.
My friend gave a speech using elegant language at a Mrs. contest.
Kanae’s parents have always been very strict in telling her to use a knife and fork elegantly.
Remember how 下品 is "crude" and "vulgar" - this is obviously the opposite. This is elegant.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.