adjective🔗ShareAnstrengend, energischHaving great vigour or energy"The marathon training was very strenuous, requiring a lot of energy and effort. "Das Marathontraining war sehr anstrengend und erforderte viel Energie und Anstrengung.energybodyactionphysiologyChat with AIVocabulary GamePractice Reading
adjective🔗ShareAnstrengend, mühsam(of a task) Requiring great exertion; very laborious"The marathon training was very strenuous, requiring hours of running each day. "Das Marathontraining war sehr anstrengend und erforderte stundenlanges tägliches Laufen.workconditionenergyabilityChat with AIVocabulary GamePractice Reading
