to discern that

As our insensitivity has increased, so naturally has our ability to discern that insensitivity declined.

因为我们的迟钝在增长——自然地我们觉察得出这种迟钝的能力在衰落。

It was difficult to discern that despite all the abstruse vocabulary the professor was really a charlatan.

很难辨明那个教授虽然有很多深奥的词汇，实际上却是一个冒充内行的人现代英汉词典。

For example, from 40,000 individual pieces of data recorded this spring we were able to discern that spring 2011 was the earliest arriving this century.

比如，从今年春季记录的四万份数据中，我们能够了解到，2011年春天是这个世纪最早的春天。