You must submit your claim within a reasonable time.
你必須在適當的時間內提出要求。
It seems only reasonable to ask students to buy a dictionary.
要學生買一本詞典，好像也沒什么不合情理。
I made them a reasonable offer but they turned it down flat.
我向他們提出一個合理建議，但是他們斷然拒絕了。
Public spending must be kept within reasonable bounds.
公共開支必須控制在合理的范圍內。
There's a reasonable prospect that his debts will be paid.
有理由相信他會償還債務的。