He would acknowledge with perfect ingenuousness that his concession had been attended with such partial good.他坦率地承认,由于他让步的结果,招来不少坏处....

n.率直，正直，老实...

ingenuousness的音标：ingenuousness的英式发音音标为：[ɪn'dʒenjʊəsnɪs]ingenuousness的美式发音音标为：[ɪn'dʒenjʊrsnɪs]...