efforton Basic wordsalso onCEFR Intermediate (B1)? Band 1 (BND1)? 努力,成就 effortless effortless(adjective) 不费力的,容易的 effortlessly effortlessly(adverb) 不作努力地,不费力地 efforts efforts(noun) 努力的结果,努力(effort的名词复数),气力 effort effort(noun) 努力,成就 Forms adjectiveadverbnoun effortless effortlessly efforts effort