椅子: chair...
桥梁: bridge (and fig.)...
备份: backup...
节衣缩食: to save on food and clothing (idiom); to live frugally...
疾病: disease, sickness, ailment...
太太: married woman, Mrs., Madam, wife...
复制: to duplicate, to make a copy of, to copy, to reproduce, to clone...
奋勇: dauntless, to summon up courage and determination, using extreme force of will...
湖泊: lake...
过失: error, fault, (law) negligence, delinquency...
