sotto_voce

She made a sotto voce comment to her colleague during the meeting.

彼女は会議中に同僚にひそひそと声をかけました。

The gossip was shared sotto voce among the guests.

そのうわさ話はゲストの間でひそひそと共有されました。

The actor delivered his aside sotto voce to the audience.

俳優は観客に向かってひそひそと傍白を述べました。

He warned her sotto voce about the approaching manager.

彼は近づいてくるマネージャーについて彼女にひそひそと警告しました。