| 四线电缆 quadded cable |
| 四线铁路 four-track line |
| 四维 four-dimensional |
| 四维八德 the four anchors and eight v... |
| 四维宇宙 four-dimensional universe |
| 四维时空 four-dimensional spacetime |
| 四美 Four Points of Beauty |
| 四肢 the four limbs |
| 四肢发达 well-developed limbs |
| 四肢强直 rigidity of extremities |
| 四肢扒开 with one's arms and legs spr... |
| 四肢无力 feel weak in one's limbs una... |
| 四肢瘫 tetraplegia |
| 四肢百骸 all the limbs and bones body |
| 四肢肿胀 limb edema |
| 四肢酸痛 have aches in the limbs |
| 四肢麻木 numb limb |
| 四肢麻痹 quadriplegia |
| 四脚朝天 fall backwards with hands an... |
| 四脚蛇 lizard |
| 四至 the four boundaries of a pie... |
| 四舍五入 rounding |
| 四舍五入法 rounding-off method |
| 四节课 four periods |
| 四行 four lines |
