It's well nigh impossible to convince him.

要说服他几乎不可能。

The potential for hydroelectricity is well nigh exhausted.

水电的潜力已接近用尽。

Right? But he says, "You know what?" That is well nigh impossible.

对吗？，但他说，你知道吗，这近乎不可能。

Many a time their foot had well nigh slipped; but he in mercy held them up.

多少时候他们的脚滑跌了；但是主用祂的慈爱扶他们起来。

The ability to express an idea is well nigh as important as the idea itself.

表达一个想法的能力与这个想法本身的一样重要。