The task was more arduous than he had calculated.
這項任務(wù)比他所估計的要艱巨得多。
She undertook the arduous task of monitoring the elections.
她承擔(dān)了監(jiān)督選舉的艱巨任務(wù)。
All the 6 adventurers survived the arduous journey through the desert.
6名探險家都完成了穿越沙漠的艱難旅程。
The task is arduous; besides, there's not much time.
任務(wù)艱巨，同時時間又很緊迫。
This is a hard job.; The task is arduous.
這個任務(wù)很吃重。