Talk:The Journey of Two Mages ~Great Wall and Watchman~/@comment-26160852-20150820050817/@comment-6192846-20150820121727

Dictionaries would disagree with you. 長壁 would be a longwall/long-wall like the "longwall method" or "longwall mining". Sentences can also translate it as "extending" or "growth" wall depending on context. 長 in particular is also the term used for the "great" part of "Great Wall of China".