painlesslyKK [ˋpenləsli] /ˈpeɪnləsli/发音副词1轻松地、不费力地、顺利地The software transfers all your files painlessly to the new computer.这个软体能轻松把你所有档案转移到新电脑。2无痛地、不痛地The dentist removed the tooth quickly and painlessly.牙医很快就把那颗牙拔掉了,而且完全不痛。用这个字练口说→