[5ri:z(E)n]
n.
原因；理由；動機
The reason she was ill was that she had eaten bad meat.
她生病的原因是她吃了變質的肉。
The reason for this is that this plane is also a bicycle.
"其原因是,這架飛機又是壹輛自行車。"
理性；理智；道理；判斷力
There's a great deal of reason in his advice.
他的忠告極有道理。
"There are reasons for this great interest in the ideas, feelings, and actions of youth."
"對年青人的思想、感情和行動發生這樣巨大的興趣,自有它的道理。"