·Never before have they been so inspired and so daring as at

他们以前从未如此精神振奋,也从未如此意气风发.
否定意义的词(never,seldom,hardly rarely等等)放在句子开头,句子语序要用倒装结构.
倒成正常语序就是
they have never been so inspired before and (have never been) so daring as at present.