soft pedalWiktionary 原文构词拆分soft词根/词干“of sound: quiet”+pedal词根/词干词源说明From soft (“of sound: quiet”) + pedal.释义（英文）名词 Noun(music, also attributively) The leftmost foot-pedal on most pianos which, when pushed, dampens the strings and so softens the note played.词族派生词（1）soft-pedal