irredeemable

adj.

不能赎回的，不能兑现的，不可救药的；不可弥补；不可挽回；

1. He is an irredeemable optimist. Nothing daunts him.
   他就是这麽一个不可救药的乐天派，任何事情都难不倒他。
2. The idea that someone is an irredeemable loss seems incredibly brutal.
   说某人无可救药似乎相当残忍。

Irredeemable
Irredeemable America: The Indians' Estate and Land Claims
The Resource Cost of Irredeemable Paper Money
Irredeemable Promise: J. Saunders Redding and Negro New Liberalism
The Pricing Analysis of Irredeemable Convertible Bonds
The Pricing Analysis of Irredeemable Convertible Bonds
Helicopter Money: Irredeemable Fiat Money and the Liquidity Trap
Thomas Indian School and the "Irredeemable"Children of New York, The
Research on the Pricing of Irredeemable Reverse Mortgage Based on the Actuarial Evaluation
Escaping the Politics of the Irredeemable Earth—Anarchy and Transcendence in the Novels of Thomas Pynchon