We're making slow but steady progress with the painting.我们这幅画进度缓慢但很平稳。The progress of the work was regrettably slow.工作进度缓慢得令人失望。Work on the project has crawled to a standstill.项目进度缓慢,最后完全停滞了。Work started slowly, but now we're ramping up to full speed.工作开始时进度缓慢,但现在我们正在全速推进。