吃苦: to bear hardships...
伟大: huge, great, grand, worthy of the greatest admiration, important (contribution etc)...
本: roots or stems of plants, origin, source, this, the current, root, foundation, basis, (a measure word)...
人数: number of people...
器械: apparatus, instrument, equipment, weapon...
印章: seal, signet, chop, stamp...
