assiduous
                    
      英 [əˈsɪdʒ.u.əs]                            
                        美 [əˈsɪdʒ.u.əs]                    
                    
                    
                    
                 
                
             
                        
            
                1. as- "to" + sidu- (sid- => sidu-) + -ous.
2. => "sit down to," thus "constantly occupied" at one's work.
3. as,s 双写,一再的坐 = hard, arduous, diligent.            
                        
            
                assiduous 勤勉的前缀as- 同ad-. 词根sid, 坐,同sess, -ss, 过去分词格。坐得住冷板凳的,勤勉的。
             
                        
            
                
- assiduous
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assiduous: see assess
 
- assiduous (adj.)
- 1530s, from Latin assiduus "attending; continually present, incessant; busy; constant," from assidere "to sit down to" (thus "be constantly occupied" at one's work); from ad "to" (see ad-) + sedere "to sit" (see sedentary). The word acquired a taint of "servility" in 18c. Related: Assiduously; assiduousness.
 
                
- 1. Podulski had been assiduous in learning his adopted language. 
- 波多斯基一直很努力地学习外语。
- 2. The book was the result of ten years'assiduous research. 
- 那本书是十年苦心钻研的成果.
- 3. His spirit of assiduous study is worthy of emulation. 
- 他刻苦钻研的精神,值得效法.
- 4. He is assiduous over his visitor. 
- 他对来访者很殷勤.
- 5. Want to know how to spell assiduous? 
- 想知道如何拼写assiduous 吗 ?