quietly

例句：

1. 1. She spoke quietly to the child so as not to startle him.
   她轻声对小孩说话，以免惊吓到他。
2. 2. The boat moved quietly through the calm waters.
   船在平静的水面缓缓行驶。
3. 3.He sat quietly in his chair, lost in thought.
   他安静地坐在椅子上，陷入了沉思。