老汉: old man, I (an old man referring to himself)...
偏远: remote, far from civilization...
耐人寻味: thought-provoking, worth thinking over, to provide food for thought...
再次: one more time, again, one more, once again...
涂: to apply (paint etc), to smear, to daub, to blot out, to scribble, to scrawl, (literary) mud, street...
私事: personal matters...
葱: scallion, green onion...
募捐: to solicit contributions, to collect donations...
仪表: appearance, bearing, meter (i.e. measuring instrument)...
老人: old man or woman, the elderly, one's aged parents or grandparents...