“相当地”的英语可以翻译为：y head and shoulders，comparatively，reasonably，respectably，fairly ...

现在,世界经济运行得相当地好.The world economy is performing reasonably well.不是很快. 是相当地快.Girl : Not fast. I move really fast.你们都知道, 我专辑的销售量相当地好, 我非常高兴.You know, my album sales is quite good, I'm very happy are paid off....