1. Quietly
Meaning: There is no sound or the sound is very small, so that no one knows.
From modern Liang Bin's "Fire Broadcasting": Zhu Laozhong was sitting in Zhu Laoming's room when he heard someone quietly walking in from outside.
2. Chatter?
Meaning: The words are cumbersome and endless.
From "Mother of a Slave" by Modern Rou Shi: He didn't finish speaking, but he couldn't help but listen to the sneering voice of his eldest wife outside the door.
3. Silently?
Meaning: do not speak, do not make a sound.
From the modern Guo Moruo's "The Last Spring": When climbing from the bottom of the mountain to the top of the mountain, they were always silent to each other. Even when they were sitting in the tea pavilion, they were relatively silent.
4. Secretly
Meaning: in secret or privately, without showing it.
From Modern Ba Jin's "Observing People": They did not expect that I was secretly observing them.
5. Secretly
Meaning: To describe actions without making people aware of them.
From "Wind and Smoke in the Valley" by modern Chen Canyunda: Oops, Aunt Zhu secretly stuffed me with a cooked egg, what should I do?