doggedness是什么意思？

doggedness的音标：doggedness的英式发音音标为：['dɒɡɪdnəs]doggedness的美式发音音标为：['dɒɡɪdnəs]...

Most of my accomplishments came as the result of sheer doggedness.我大多数的成就纯粹是坚持不懈的结果。But such doggedness comes at the cost of further, perhaps fatal, rebellions.布朗先生的顽固换来了更多的, 也许是致命的, 背叛....