indeterminable

The set of possible biomolecules is not infinite, but it is certainly huge, and probably indeterminable .

那些可能存在的生物分子的集合不是无穷尽，但其数量很庞大，甚至难以辨别。

I should warn you that wealth, or the pursuit of some indeterminable number of moneys is not on my register.

但是我应该告诉你，财富、或是对金钱的无限追求不在我的列表中。

The length of your indeterminable life, but you can control its width;

你不能决定生命的长度，但你可以控制它的宽度；

Bill of exchange payable on an indeterminable date

汇票付款日期不确定