Being dragged by the tail to test its doggedness.

拽着它的尾巴测试顽固性。

With the case in danger of going colder and inspired by Filley's doggedness, I take a shot at solving the mystery.

由于案件有可能会变得无人过问，以及费利的一再坚持，我尝试着去解开这个谜团。

Presidential historian Tim Naftali says President Franklin Roosevelt was impressed with Churchill's doggedness.

总统历史学家蒂姆·纳夫塔利 (Tim Naftali) 说，富兰克林·罗斯福总统对丘吉尔的顽强精神印象深刻。

At one time it looked as though he could not live more than a few hours, and I am convinced that it was only through the Dutchman's doggedness that he pulled through.

有一段日子看上去他连几个钟头也活不过去了，我毫不怀疑，他之所以能够活下来完全要归功这位荷兰画家任劳任怨的护理。

Other words that can be used as synonyms for " perseverance" include " determination" , " persistence" , " doggedness" , " tenacity" , " resolve" , and " will" .

其他可以用作“毅力”同义词的词包括“决心”、“坚持”、“顽强”、“坚韧”、“决心”和“意志”。