reason的意思如下：
美[?riz(?)n]，英[?ri?z(?)n]
n.原因；理由；理性；道理
v.推理；思考；推斷；推論
變形復數：reasons；現在分詞：reasoning；過去式：reasoned；
搭配good?reason；give?reason；main?reason；know?reason；same?reason；
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英英釋義
reason[ 'ri:z?n ]
n.
a rational motive for a belief or action
"the reason that war was declared"
同義詞：ground
an explanation of the cause of some phenomenon
"the reason a steady state was never reached was that the back pressure built up too slowly"
the capacity for rational thought or inference or discrimination
"we are told that man is endowed with reason and capable of distinguishing good from evil"
同義詞：understandingintellect
the state of having good sense and sound judgment
"he had to rely less on reason than on rousing their emotions"
同義詞：rationalityreasonableness
a justification for something existing or happening
"they had good reason to rejoice"
同義詞：causegrounds
a fact that logically justifies some premise or conclusion
"there is reason to believe he is lying"
v.
decide by reasoning; draw or come to a conclusion
"We reasoned that it was cheaper to rent than to buy a house"
同義詞：reason outconclude
present reasons and arguments
同義詞：argue
think logically
"The children must learn to reason"