?由于某种原因
...史官由于某种原因 Historian For Some Reason 由于某种原因 somehow ad ; by some chance ; somewhy ; for some reason 因为某种原因 for some reason ; For Various Reason ; For Certain Reasons ; for the reason ..
somewhy:
From some +? why.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。