| 正面 | 12814.arduous 英 ['ɑːdjʊəs]美 ['ɑrdʒuəs]     |
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| 背面 |     释义： 1. hard => arduous (由于英语受到法语的影响加h或h脱落其含义不变，主要是因为法语中的h不送气也就是不发音。例如：arc => arch-).2. ortho- => orthodox => arduous.3. orthodox => arduous.4. Literal sense of "high, steep, difficult to climb".adj. 努力的；费力的；险峻的 例句： 1. an arduous journey across the Andes翻越安第斯山脉的艰苦之行 arduous 艰苦的词源略。词义受词根ard的影响。 arduousarduous: [16] Latin arduus, the source of English arduous, originally meant ‘high, steep’ (it is related to Greek orthós ‘straight, upright, correct’, as in English orthodox); the sense ‘difficult, laborious’ was a later metaphorical development. (The word has no connection with ardour, which comes ultimately from Latin ardēre ‘burn’; see ARSON.)=> orthodoxarduous (adj.)1530s, "hard to accomplish, difficult to do," from Latin arduus "high, steep," also figuratively, "difficult," from PIE root *eredh- "to grow, high" (see ortho-). Literal sense of "high, steep, difficult to climb," attested in English from 1709." |