I'm afraid the offer is unacceptable. 恐怕你方的报价不能接受。 

　　The offer is not workable. 报盘不可行。 

　　The offer is given without engagement. 报盘没有约束力。 

　　It is difficult to quote without full details. 未说明详尽细节难以报价。 

　　Buyers do not welcome offers made at wide intervals. 买主不欢迎报盘间隔太久。 

　　We cannot make any headway with your offer. 你们的报盘未得任何进展。 

　　Please renew your offer for two days further. 请将报盘延期两天。 

　　Please renew your offer on the same terms and conditions. 请按同样条件恢复报盘。 

　　We regret we have to decline your offer. 很抱歉，我们不得不拒绝你方报盘。 

　　The offer is withdrawn. 该报盘已经撤回。 

　　We prefer to withhold offers for a time. 我们宁愿暂停报盘。 

　　Buyers are worried at the lack of offer. 买主因无报盘而苦恼。 

　　Words and Phrases 

　　to extend an offer 延长报盘 

　　to renew an offer 或 to reinstate an offer 恢复报盘 

　　to withdraw an offer 撤回报盘 

　　to decline an offer 或 to turn down an offer 谢绝报盘 

　　unacceptable 不可接受的 

　　workable 可行的 

　　at wide intervals 间隔时间太长 

　　make headway 有进展 

　　be worried at sth. 对……苦恼