The next day, even though his voice was coming back, he stayed quiet again.

第二天，尽管他的声音又恢复了，但他还是保持沉默。

youdao

He became a ferryman and stayed at the river's side for many years learning its quiet lessons.

他成为一个渡船夫，在河边度过许多年，领悟河流安静的启示。

youdao

He stayed there until everything went quiet, and he believed it must be late at night.

BBC: The Great Escape

He also reports that teachers anecdotally found that students who chewed gum required fewer breaks, paid better attention and stayed quiet longer than those who did not.

CNN: Chew on this: Gum may be good for body, mind