无疑: no doubt, undoubtedly...
泪: tears...
贯通: to link up, to thread together...
变迁: changes, vicissitudes...
监狱: prison...
风餐露宿: brave the wind and dew, stand exposure, deprivation and hunger, go through the rigors of living in the wilderness, exposed to cold and wet on a journey...
磨损: wear and tear, abrasion...
扒: to peel, to skin, to tear, to pull down, to cling to (sth on which one is climbing), to dig...
筹备: preparations, to get ready for sth...
