involving a lot of effort and energy, especially over a period of time 艱苦的；艱難的 Extra ExamplesTopics Working lifec2It was physically arduous work. 這是一項體力勞動。 The road back to political stability is long and arduous. 回到政治穩定的道路是漫長而艱巨的。 an arduous task/process 艱巨任務；艱難過程
Oxford Collocations DictionaryArduous is used with these nouns:- climb
- journey
- process
- …
Word Originmid 16th cent.: from Latin arduus ‘steep, difficult’ + -ous.
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- armhole 154
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- ageism 218
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- Augmented 71
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- helmet 734
- Any 145
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- showiest 50
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- completely 660
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- @topic_shopping_level=b1 108
- sheave 68
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- hold on like grim death 81
- diaper 194
- Unchecked 98
- still 412
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- fixity 185
- catflap 55
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- infer 687
- endowment 341
- Generic 288
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- evensong 171
- Erection 142
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- brainless 171
- arrest 867
- toggle 155
- joyful 673
- trackpad 70
- collie 195
- otherness 169
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- backpack 278
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- nomad 136
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- death tax 91
- unreasoning 93
- judaic 85
- Transformer 69
- downhearted 149
arduous adj.
⇨ hard
arduous
Difficult to do and involving a lot of effort: difficult, hard, tough...
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