imperceptiblyKK [ˏɪmpɚˋsɛptɪbli] /ˌɪmpɚˈsɛptɪbli/發音副詞1難以察覺地、微乎其微地The road rose almost imperceptibly toward the top of the hill.那條路以幾乎難以察覺的幅度往山頂上升。2不知不覺地、悄悄地Her attitude toward the job changed imperceptibly over the years.這些年來,她對這份工作的態度不知不覺地改變了。