account for:说明（原因、理由等）
例如：Now, the gene they discovered today doesn't account for all those cases.
不过，他们现在发现的基因无法解释所有的病例。
How do you account for the company's alarmingly high staff turnover?...
你怎么解释这家公司高得令人忧虑的人员流动率？

indifferent:漠不关心的
例如：People have become indifferent to the suffering of others.
人们对别人的痛苦已经变得无动于衷。
the row over the police's indifferent attitude to the killings.
严厉谴责警方对杀戮无动于衷的态度

剧情百科常识:

柯林斯夫妇请伊丽莎白去他们家作客，伊丽莎白在那里遇到达西的姨妈凯瑟琳(Catherine)夫人，并且被邀去她的罗辛斯山庄做客。不久，又见到了来那里过复活节的达西。达西无法抑制自己对伊丽莎白的爱慕之情，向她求婚，但态度还是那么傲慢，加之伊丽莎白之前便对他有严重偏见，便坚决地谢绝了他的求婚。

考考你：
不幸的是，我们仍对这种疾病的致病原因一无所知。
你如何解释一连输了五场比赛呢？
同志们有困难我们不能不闻不问。

答案下期公布
上一期的答案
I gather by what you have not said that he's an unmitigated scoundrel.
We should devote ourselves assiduously and faithfully to the duties of our profession.
His conviction carried him along in his research.