arduous

ar·du·ous

A0413600 (är′jo͞o-əs)adj.1. Demanding great effort or labor; difficult: "the arduous work of preparing a Dictionary of the English Language" (Thomas Macaulay).2. Testing severely the powers of endurance; strenuous: a long, arduous, and exhausting war.3. Hard to traverse, climb, or surmount.

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[From Latin arduus, high, steep.]

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ar′du·ous·ly adv.ar′du·ous·ness n.

arduous

(ˈɑːdjʊəs) adj1. requiring great physical or mental effort; difficult to accomplish; strenuous2. hard to endure; harsh: arduous conditions. 3. hard to overcome or surmount; steep or difficult: an arduous track. [C16: from Latin arduus steep, difficult] ˈarduously adv ˈarduousness n

ar•du•ous

(ˈɑr dʒu əs; esp. Brit. ˈɑr dyu-)

adj. 1. requiring great exertion; laborious: arduous tasks. 2. using much energy; strenuous: an arduous effort. 3. hard to climb; steep: an arduous path. 4. full of hardships; severe: an arduous winter. [1530–40; < Latin arduus erect, steep, laborious; see -ous] ar′du•ous•ly, adv. ar′du•ous•ness, n.

Thesaurus

Adj.	1.	arduous - 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"backbreaking, grueling, gruelling, laborious, operose, toilsome, punishing, hard, heavyeffortful - requiring great physical effort
	2.	arduous - 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.Rooseveltstraining, strenuouseffortful - requiring great physical effort
	3.	arduous - difficult to accomplish; demanding considerable mental effort and skill; "the arduous work of preparing a dictionary"difficult, hard - not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so hard for you to keep a secret?"

arduous

adjective difficult, trying, hard, tough, tiring, severe, painful, exhausting, punishing, harsh, taxing, heavy, steep, formidable, fatiguing, rigorous, troublesome, gruelling, strenuous, onerous, laborious, burdensome, backbreaking, toilsome The task was more arduous than he had calculated.
light, easy, simple, no trouble, effortless, painless, child's play (informal), facile, undemanding, no bother, easy-peasy (slang)

arduous

adjective1. Not easy to do, achieve, or master:difficult, hard, laborious, serious, tall, tough, uphill.2. Requiring great or extreme bodily, mental, or spiritual strength:backbreaking, burdensome, demanding, difficult, effortful, exacting, exigent, formidable, hard, heavy, laborious, onerous, oppressive, rigorous, rough, severe, taxing, tough, trying, weighty.

Translations

艰巨的

arduous

(ˈaːdjuəs) , ((American) -dʒu-) adjective difficult; needing hard work. an arduous task. 艱巨的 艰巨的ˈarduously adverb 艱巨地 艰巨地ˈarduousness noun 艱巨 艰巨