noiselessly
adv. 无声地,静静地
Something or someone that is noiseless does not make any sound.
The snow was light and noiseless as it floated down.
雪花轻盈飘落,无声无息。
1. without a sound;
I shut the door noiselessly behind me.
我把门轻轻地带上。
When she was frightened she darted noiselessly like a kingfisher.
她受惊的时候,就像一只一声不响地急投疾枪的翠鸟.
Brockway watched me out of the corner of his eye, snickering noiselessly.
布罗克韦斜着眼睛看我, 无声地窃笑着.
The rabbits hurried noiselessly for cover.
兔子匆匆无声地四散隐匿.
He crept upstairs without a sound , ie noiselessly.
他悄悄地上了楼.