Calmly
Adverb
しずしず
私の母は、いつも静々と機械的に家事をこなしていました。
My mom always did housework quietly and mechanically.
いかりくるう妻の横を尻目に、ぼくはただ静々とそうじをしていた。
I was just ignoring my super-angry wife and calmly cleaning our place.
公爵夫人は静々と部屋に入って、公爵にキスをした。
The duchess gracefully entered the room and kissed the duke.
Quiet quiet! Do it quietly, please.
You know how 静か is しずか? Well, this is the same reading as that. Say it in a whisper with me: "しずしず." Shhh!