reason['ri:zən]  

• n. C理由,原因;U理智,理性
  
  vi. 推论,推理
  
  vt. 推论,推理;说服,评理;辩论,讨论

词形变化

• 时　态：rea·soned, rea·son·ing, rea·sons
  名　词：rea'son·er

常用短语

1. within reason   
   合情合理,是情理之中的事
2. for some reason   
   由于某种原因,不知怎么回事
3. with reason   
   adv.有道理,合理
4. age of reason   
   理性时期
5. reason out   
   推论,推断出,说出…的道理

与 reason 相关的例句

英英解释

3个动词解释

1. present reasons and arguments
   [同] argue , reason
   
2. decide by reasoning; draw or come to a conclusion
   [同] conclude , reason , reason out
   [例]
   • We reasoned that it was cheaper to rent than to buy a house
3. think logically
   [例]
   • The children must learn to reason

6个名词解释

1. a rational motive for a belief or action
   [同] ground , reason
   [例]
   • the reason that war was declared
   • the grounds for their declaration
2. the capacity for rational thought or inference or discrimination
   [同] intellect , reason , understanding
   [例]
   • we are told that man is endowed with reason and capable of distinguishing good from evil
3. a justification for something existing or happening
   [同] grounds , cause , reason
   [例]
   • he had no cause to complain
   • they had good reason to rejoice
4. an explanation of the cause of some phenomenon
   [例]
   • the reason a steady state was never reached was that the back pressure built up too slowly
5. the state of having good sense and sound judgment
   [同] rationality , reason , reasonableness
   [例]
   • his rationality may have been impaired
   • he had to rely less on reason than on rousing their emotions
6. a fact that logically justifies some premise or conclusion
   [例]
   • there is reason to believe he is lying