| 1 | The fighters would die before yielding. | |
| 2 | Fourth, while the public hunger for dignityis unabated, the road from authoritarianism to democracy is rocky and perilous. | |
| 3 | Every valley shall be exalted, and every mountain and hill made low; the crooked straight, and the rough places plain. | |
| 4 | Compared with wheel-type robots, walker robots absolutely have more advantages to transverse rough terrain. But the latter has more difficulties than the former on designing and making complexity. |