You’ve heard that luck favors the well-prepared but what about luck favoring the tenacious?(你听说过“幸运只降临有准备的人身上”的说法吧？但你听说过“幸运眷顾坚持不懈的人”的说法吗？)
But our optimism must also be leavened with caution. Malaria is a tenacious foe.(但是，我们在乐观的同时应该保持清醒，我们要认识到疟疾是一种顽固的疾病。)
The horses are “courageous, tenacious and overcome the difficult environment, ” a YouTube song about them says.(在Youtube上一首有关他们的歌中唱道，这匹马“勇敢、坚强，并战胜了困难的环境”。)
Similarly, rats injected with high levels of uridine were equally tenacious.(在注射了大量尿苷的大鼠中，也发现了同样的现象。)
She's a tenacious woman. She never gives up.(她是个坚毅的人，从不放弃。)
You must be tenacious of life to survive that place so long.(在那个地方生存那么久，你的生命力一定是够顽强的。)
Be tenacious and always do their best.(不屈不挠，全力以赴做到最好。)
This is his tenacious fight with the disease dynamics.(这是他顽强地与疾病作斗争的动力。)
But Mr Assad's tenacious immobility has proved a winning course overall, reinforcing Syria's centrality to regional issues.(但是，巴沙尔的坚若磐石总体上还是为他赢得了胜券，并加强了叙利亚在地区问题上的中心低位。)
Good teams react and show tenacious qualities. City, in contrast, continued to concede all round the field.(一支好的球队应该具有顽强的品质，而曼城则没有表现出这种品质，他们在球场的每一处都遭到失败。)
