You must submit your claim within a reasonable time.

　　你必須在適當的時(shí)間內提出要求。

　　It seems only reasonable to ask students to buy a dictionary.

　　要學(xué)生買(mǎi)一本詞典，好像也沒(méi)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(gè)合理建議，但是他們斷然拒絕了。

　　Public spending must be kept within reasonable bounds.

　　公共開(kāi)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(huì )償還債務(wù)的。