assertive=断定的な、独断的な adj)having or showing a confident and forceful perspnality. adv)assertively verb)to assert n)assertion assertiveness
dedicated=献身的な、ひたむきな、熱心な adj)devoted(=dedicated) to a task or purpose verb)dedicate=捧げる noun)dedication
stimulating=刺激する、興奮させる、鼓舞する adj)=stimulative if a goverment policy had a stimlative effect on the economy,it encourages the economy to grow. adv)stimulatingly verb)stimulate noun)stimulation
demanding=要求の厳しい、大変な労力を要する adj)a demanding job or task requires a lot of your time,energy,or attention verb,noun)demand
strenuous=精力的な、奮闘的な、熱心な、努力を要する、困難な adj)=A strenuous active or action involves a lot of energy or effort. adv)strenuously noun)strenuousness strenuousity
diligent=勤勉な、仕事熱心な、入念な adj)=someone who is siligent waorks hard in a careful and thtough way. adv)diligently noun)diligent
※To be a teacher you need to be strenuous and to be patient because the work is demanding and dedicated.
※I was under a lot of stress. It was a stressful time for me.