unreasoned

He seems to have conceived an abject, unreasoned terror of the railroad.

他好象对铁路公司抱着一种意气消沉，不可理喻的恐惧心理。

The riparian ecosystems are facing the dangers of degrading or even collapsing due to the unreasoned water utilization by human being.

由于人类对水资源的不合理利用，造成荒漠河岸生态系统的退化甚至崩溃，保护受危胡杨种群已成为当务之急。

There are unreasoned joys, inexplicable miseries, laughers and remorses without a cause.

时常有无缘无故的兴奋，痛苦，欢笑和悔恨。

There are unreasoned joys, inexplicable miseries, laughters and remorses without a cause.

因此会出现毫无理由的喜悦和痛苦，莫名其妙的欢笑和悔恨，让人捉摸不定。