3/27 TOEFL Vocabulary Arduous by Rocket Cat Learning
What Does The Word Arduous Mean. Requiring or using much energy and vigor; Hard to accomplish or achieve :
Demanding considerable mental effort and skill. Web requiring great physical effort. Requiring or using much energy and vigor; Hard to accomplish or achieve :
Hard to accomplish or achieve : Requiring or using much energy and vigor; Hard to accomplish or achieve : Demanding considerable mental effort and skill. Web requiring great physical effort.