Although they are big animals, elephants can move silently when necessary.

虽然大象是大型动物，但在必要时它们可以悄悄地移动。

youdao

For the gentle wind does move Silently, invisibly.

因为那缕柔风飘来，听不到也看不见。

youdao

For a second he did not move. Then he silently took out his sword.

有一刹那，他没有动弹，然后才默默地拔出了佩剑。

youdao

They try to move as silently up the wall as they can.

VOA: special.2009.12.09

Nothing, I vowed silently to myself, would induce me to move from this position for at least an hour.

BBC: England��s ghostly South Downs Way