三难(sān nàn) “the three hardships (in the three worlds)”#
not found at HD. 1.252.; DK. 1.172a(汉书 etc.);
76a29.如来…睹无数众亿百千姟，使度三难懃苦怖惧(p)
K. 81.10.traidhātukāt … duḥkhabhaya~; L. 13c4.三界苦怖;