adjective🔗Share激しい, 活発なHaving great vigour or energy"The marathon training was very strenuous, requiring a lot of energy and effort. "マラソンのトレーニングは非常に激しく、多くのエネルギーと努力が必要でした。energybodyactionphysiologyChat with AIVocabulary GamePractice Reading
adjective🔗Share骨の折れる, 激しい(of a task) Requiring great exertion; very laborious"The marathon training was very strenuous, requiring hours of running each day. "マラソンのトレーニングは非常に骨が折れ、毎日何時間も走る必要があった。workconditionenergyabilityChat with AIVocabulary GamePractice Reading
