Arduous

['ɑːdjʊəs] or ['ɑrdʒuəs]

解释:

(adj.) difficult to accomplish; demanding considerable mental effort and skill; 'the arduous work of preparing a dictionary' .

(adj.) characterized by effort to the point of exhaustion; especially physical effort; 'worked their arduous way up the mining valley'; 'a grueling campaign'; 'hard labor'; 'heavy work'; 'heavy going'; 'spent many laborious hours on the project'; 'set a punishing pace' .

(adj.) taxing to the utmost; testing powers of endurance; 'his final, straining burst of speed'; 'a strenuous task'; 'your willingness after these six arduous days to remain here'- F.D.Roosevelt .

校对:玛吉--From WordNet

解释:

(a.) Steep and lofty, in a literal sense; hard to climb.

(a.) Attended with great labor, like the ascending of acclivities; difficult; laborious; as, an arduous employment, task, or enterprise.

伊米莉亚整理

同义词及近义词：

a. [1]. Steep, high, lofty, uphill.[2]. Hard, difficult, laborious, onerous, troublesome, Herculean, toilsome, tiresome, wearisome, fatiguing, beset with difficulties, full of difficulties.

黛比手打

解释:

adj. deep difficult to climb: difficult to accomplish: laborious.—adv. Ard′uously.—n. Ard′uousness.

欧文整理