Problems remained, however.

然而问题还是存在的。

youdao

This was a big step forward, but several problems remained.

这是一个飞跃，但是有几个问题仍然没有解决。

youdao

The meeting was over, but the problems remained unsolved.

会议结束了，但问题仍没解决。

youdao

The pope hired a Swiss expert a few months ago to help upgrade safeguards against wrongdoing, but problems remained.

NPR: Benedict Stumbled Trying To Right Troubled Church

But Panorama reveals that serious problems still remained on the ward as late as May 2005.

BBC: Undercover nurse

The Israeli government said it would insist on compliance with the Egyptian-Israeli peace treaty, but important problems have remained unresolved for years.

CENTERFORSECURITYPOLICY: The Big Picture Is Bad