奋力坚持英语是Persevere。Persevere的例句：But persevere，you will quickly adapt and find it liberating（但是坚持下去，你将迅速适应过来并感到它令人解放）。

Persevere的例句：I failed to persevere in doing sth（我不能坚持不懈的做某事）；We must persevere in the arduous work（我们一定要坚持这项艰苦的工作）。