pale into insignificance （与其他事情比起来）无足轻重，相形失色，微不足道

【例句】
Compared to me, other wonders of the universe pale into insignificance.
宇宙间的其它奇迹，和我相比，都显得无足轻重。

This can also happen if the pain is very severe and strong such that it makes all the other symptoms pale into insignificance.
这样的情况也可能会发生:如果疼痛非常严重和强烈，以至于所有其他的症状都变得微不足道了。