| 1. | One person often wears all four hats .
往往一人包兼四职。 |
| 2. | The horse jumped the stream and landed on all fours .
那匹马跳过小溪，四脚落地。 |
| 3. | All four doors to the two reserved suites were open .
预定的两个套房的四扇门都敞开着。 |
| 4. | It took all four groups to screw up the health care system .
那时曾经成立了四个小组来整顿保健制度。 |
| 5. | Precast neurovascular status in all four extremities should be evaluated .
在上石膏前应估量四肢的神经血管状态。 |
| 6. | If the direction of one arrow is reversed, all four must be reversed .
如果有一个箭头的方向被搞反了，则所有四个箭头都必须反过来。 |
| 7. | All four papers were difficult to understand; "they were a book with seven seals. "
所有四篇论文都很难懂；“它们是一本莫名其妙的书。” |
| 8. | It may sometimes be best to accept the mean of all four measures in preference to accepting only the second pair .
取用全部四次测量的中数，有时比只取用后两次测量中数更好。 |
| 9. | The argument centered on whether a fast trotting horse ever had all four feet off the ground at one time .
争论的焦点，是一匹飞速奔跑的马会不会在同一时间里将四条腿都离开地面。 |
| 10. | For some time, no vehicle had come from the opposite direction, so obviously something had happened to obstruct all four lanes .
好一阵子也不见车辆从对方开过来。显然是出了些事，使所有四条车道都堵塞住了。 |
