noiselessly
adverb
uk/ˈnɔɪz.ləs.li/us/ˈnɔɪz.ləs.li/silently:
无声地,寂静地Shewalkednoiselesslyacrossthecarpetto thebathroom.她悄悄地走过地毯去浴室。
Heopenedthedoornoiselessly anddisappeared.他无声无息地打开门,消失了。
See
noiseless
- MrsStraw came noiselessly down thecarpetedstaircase.
 - Theairconditionersrunnoiselessly 24hoursaday.
 - They got out of thepoolasquicklyand noiselessly aspossible.
 
Silence & quiet
- cricketsidiom
 - deafening
 - deafeningly
 - hush
 - inaudibly
 - keep it downidiom
 - keepsomethingdown
 - muted
 - quiet
 - quieten
 - quietly
 - silent
 - soundless
 - soundlessly
 - subdued
 - trail
 - trail away/off
 - underyourbreathidiom
 - unmute
 - you could have heard a pin dropidiom