麻烦各位帮我简要翻译下这段话！急 在线等

The novel mainly writes the Cuban senior fisherman which experienced hardship to the full continuously 84 days in marine fishing but as soon as not to have the harvest, 85th days still continued to catch fish, finally have seized a big marlin, but in returned from cruise on the way, also met big group shark's besieging, old person Sang Tiya the elder brother have acted boldly regardless of one's safety, have carried on three day-long fights with the shark, finally when the old person returned to the ashore was only left over a giant fish bones rack.