arduous
adj. 努力的; 艰巨的; 难克服的; 陡峭的
Something that is arduous is difficult and tiring, and involves a lot of effort.
...a long, hot and arduous journey...
一段漫长、炎热而又艰苦的旅程
The task was more arduous than he had calculated.
这项任务比他所估计的要艰巨得多。
1. characterized by toilsome effort to the point of exhaustion; especially physical effort;
2. taxing to the utmost; testing powers of endurance;
3. difficult to accomplish; demanding considerable mental effort and skill;
Picking five nominees for Liverpool's player of the season was an arduous task.
挑选出利物浦本赛季最佳球员的五名候选人是个艰巨的任务.
He never seeks credit for himself, but is always ready to take on arduous tasks.
他在荣誉面前从不伸手, 但在艰巨任务面前却当仁不让.
After enduring the hardship the arduous the prospecting team discovered many new ores.
地质勘探队员餐风饮露,历尽辛苦,找到了不少新的矿藏.
It remains an arduous historical task in the process of our modernization drive to accomplish industrialization.
实现工业化仍然是我国现代化进程中艰巨的历史性任务.
The tasks of ecological protection and ecological development are still very arduous.
生态保护、生态建设的任务仍十分繁重.