go on all fours

“You can jump, crawl or go on all fours ... you don’t have to wear skates,” Tomasz Fornalski, owner of the Lodogryf skating rink, told broadcaster TVN, which showed skaters holding pink roses as they circled the rink.

As we neared the bluff, the ground began to slope upward, and then a well-worn path appeared and we followed it up and up through clusters of brushy firs and winding rocky passages, until the path became so vertical in places that we had to go on all fours, clawing at the angled ground to pull ourselves forward.

“If I can provide them with a fraction of the steady care that Swanburne and Miss Mortimer have given me, then all will be well,” she thought, before blurting: “Dear me, Cassiopeia, mind your dress! I realize it may be faster to go on all fours, but I think you will find your stockings will last longer at the knee if you walk upright. Here, allow me to demonstrate.”

No simile can go on all fours.¸

There were many places so steep and stony that they were often obliged to go on all fours, and Klein, who was both weak and nervous, stood in constant danger of his life.