I must make a super-human effort to break away .

Huma held onto his sword with a super-human effort, and swung it, catching the man in the side.

With a super-human effort of will she opened her eyes.

Terrified for their own lives his enemies had made a super-human effort to drag him down.

I won't make any super-human effort to avoid it.

Over six decades, there were more than 50 prisoners desperate enough to try to escape but, despite several super-human efforts, their attempts proved futile.

The super-human effort involved and the 50000km of yearly training eclipses most professional sportspersons training hand down.

Only then, after having attended to the final measures, did Rhodan conclude that the time had come for him and his exhausted friends to relax from their super-human efforts.

I would make one super-human effort to escape.

Half way through his super-human effort his foot slipped and in mid-launch he came down in an uncoordinated heap just outside the throwing circle.