Climbing the steep mountain trail proved arduous, yet the hikers were rewarded with a panoramic view of the valley below.
攀登陡峭的山路十分费力，但徒步者最终获得了俯瞰山谷的全景作为回报。
Which choice best defines “arduous”?
D — Difficult and requiring great effort.. “arduous” means Difficult and requiring great effort..
Which word means “Difficult and requiring great effort.”?
C — arduous. “arduous” means Difficult and requiring great effort..
arduous — Difficult and requiring great effort.. In Chinese: 艰巨的；费力的.
arduous is pronounced //ˈɑːdjuəs//.
Climbing the steep mountain trail proved arduous, yet the hikers were rewarded with a panoramic view of the valley below. (攀登陡峭的山路十分费力，但徒步者最终获得了俯瞰山谷的全景作为回报。)
laborious, strenuous, grueling — all close in meaning to arduous (Difficult and requiring great effort.).
easy, effortless — each the opposite of arduous (Difficult and requiring great effort.).
Yes. arduous is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
ardu(陡峭) → 像攀陡坡 → 艰辛。