transcription, транскрипция: [ ˈɑ:djuəs ]
adj. 1 hard to achieve or overcome; laborious, strenuous. 2 steep, difficult (an arduous path). øøarduously adv. arduousness n. [L arduus steep, difficult]
ARDUOUS
Meaning of ARDUOUS in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012