Pausing when again safe from discovery, he finally decided to face the pit phenomenon as the lesser evil.

他退到一个没有人能看见他的地方，停了下来，最后他拿定主意，还是去面对石坑里的现象，相比之下这个险恶程度要小些。

Like, the less worse - is that correct to say in English? - the less evil.

差的当中较好的那个——英语是这么说的吗？两害取其轻。

And Lear rebuked him and said these lesser evils were not felt where a greater malady was fixed.

李尔责备他， 说这些较小的邪恶在解决更大的疾病的地方感觉不到。

" These provincials are less evil than I thought, " he said to himself.

“这些外省人没有我想象的那么邪恶，”他自言自语道。

Eventually it became clear to operators that  they would have to pick a lesser evil: Increase discharges and flood the powerhouse or let the  reservoir rise above the emergency spillway.

最终，操作人员清楚地意识到，他们必须选择一个较小的害处：增加流量并淹没发电站， 或者让水库高于紧急溢洪道。