formidable [Adjective] + difficulty [Noun]

Strength Strength Dispersion
A:
13
CHISQ:
105.77
AWT:
9,001,120
TTEST:
3.25
G2:
41.33
FAWT:
6.04
MI:
3.33
LOGLOG:
12.31
JD:
0.74
MI3:
10.73
DICE:
0.19
RANGE: