The buffalo-skins, doubled in fours, were spread all along one side, and four men, with great difficulty, lifted the heavy form of Tom into it. 哈丽叶特·比切·斯托.汤姆叔叔的小屋.
The reptile is on all fours with the seeding plant in its freedom from the necessity to pass any stage of its life cycle in water. 赫伯特·乔治·威尔斯.世界史纲.
Some perhaps went on all fours, some chiefly went on their hind legs and clambered with their fore limbs. 赫伯特·乔治·威尔斯.世界史纲.
On ordinary working-days she braided it in threes; on ordinary Sundays in fours; at Maypolings, gipsyings, and the like, she braided it in fives. 托马斯·哈代.还乡.
Now, therefore, send the Christian dog on all fours, and barefoot, into the holy place to mend the clock, and let him go as an ass! 马克·吐温.傻子出国记.
Tarzan, happily, was uninjured by the fall, alighting catlike upon all fours far outspread to take up the shock. 埃德加·赖斯·巴勒斯.人猿泰山.