前进中的的英文：
ongoing

On the march; on the move
行进中;前进中

The Japanese army were on the march.
日本军队正前进中。

Keep economic development as the central task and solve problems cropping up on our way forward through development.
坚持以经济建设为中心,用发展的办法解决前进中的问题。

Nevertheless, on its road of advance, China still faces arduous tasks and various difficult.
当然，人们在看到成绩的同时，也清醒地看到面临任务的艰巨和前进中的困难。

There is an ongoing debate on the issue.
对此问题的争论一直没有间断过。

It is an ongoing struggle, a regular item of work.
这是一个经常的斗争，经常的工作。

The first ongoing step is to select team members.
现在正在进行的第一步是挑选队员。

It is in wholeness that joy becomes an ongoing life experience again.
就是在完整性中，欢乐再次变成一个持续的表达。

We have achieved staged success for the ongoing anticorruption campaign
当前的反腐败运动已取得了阶段性胜利