make a sustained effort meaning in Chinese

作不懈的努力

We are making a sustained effort to finish off the work .
我们正坚持不懈以完成该项工作。
She called on the public to make a sustained effort to maintain good personal and environmental hygiene
她呼吁市民采取持续措施，保持良好的个人及环境生。
Realizing this potential , an impressive roster of automotive companies are making a sustained effort to develop fuel - cell vehicles , including daimlerchrysler , ford , general motors , honda , psa peugeot - citro ? n , renault - nissan and toyota
为了实现这些可能性，已经有许多汽车公司，例如戴姆勒克莱斯勒、福特、通用汽车、本田、 psa宝狮雪铁龙、雷诺日产和丰田等，正在不断努力开发燃料电池汽车。