... 的 4次方是 The fourth power of 2 i ... 由于战争而精疲力尽的war worn 筋疲力尽的 be exhausted=be tired out =be worn out; beaten; deadbeat; dog-tired; effete; fordone; frazzled; grueling ...
Worn out from 35 back-breaking years of toiling to rebuild a war-torn country, a generation of Japanese sararimen found that financial success did not bring spiritual fulfilment.
Army leaders have warned the war has left the service "out of balance, " with troops strained by extended deployments and equipment worn by exposure to harsh desert conditions.