Herculean strength; superhuman strength
Refers to immense physical strength, likened to that of the Nio (仁王), the guardian deities often seen at temple gates. Used in literary or emphatic contexts.
He lifted the heavy rock with Herculean strength.
剛力 refers to great physical strength or brute force, but lacks the mythological or religious connotation of 仁王力.
Compound of 仁王 (Nio, the two guardian deities) and 力 (strength). The term directly references the immense strength attributed to these figures in Buddhist iconography.