未确定的英文：
in-doubt

参考例句：

(iii) The obligee is deceased or incapacitated, and his heir or guardian is not determined
(三)债权人死亡未确定继承人或者丧失民事行为能力未确定监护人

Blanket release: Release by Bank member of its 18% currency for indefinite lending or relending.
解除限制":世界银行会员国解除其对未确定的贷款或转贷使用的18%的本国货币限制。

General Loss Reserve [IFC]: Loss Reserve set up to replace Unidentified Loss Reserve.
一般损失准备金[国际金融公司]:这项准备金的设立是用来代替"未确定损失准备金"的。

doubt是什么意思：
n. 怀疑；疑问；疑惑
v. 对…无把握；怀疑；不信；拿不准；恐怕

benefit of the doubt
裁判员对可疑情况无把握时不对有关运动员作不利判定

They were beset by doubts and fears .
他们被疑虑和恐惧所困扰。

Being such as to debar questioning or doubts.
无异议的如此以至使质疑或怀疑都没有必要的。

They have never doubted of success.
他们对成功从未怀疑过。

Doubt is the key of knowledge
怀疑乃知识的钥匙