| 四重唱 quartet |
| 四重奏 quartet |
| 四重态 quartet |
| 四重根 quadruple root |
| 四重点 quadruple point |
| 四重线 quartet |
| 四野 the surrounding country |
| 四铧犁 four-furrow plough |
| 四门大开 The gates stood wide open. |
| 四陬 the four corners foot of a h... |
| 四难推理 quadlemma |
| 四面 on all sides |
| 四面体 tetrahedron |
| 四面八方 all directions |
| 四面出击 hit out in all directions |
| 四面包围敌人 completely encircle the enem... |
| 四面受困 be hemmed in from all sides |
| 四面受敌 be under attack from all dir... |
| 四面围困 besiege on all sides |
| 四面埋伏 hide in all four directions |
| 四面夹攻 attack on the four sides |
| 四面挨打 be pounded on all sides |
| 四面楚歌 be besieged on all sides |
| 四面环山 be surrounded by mountains |
| 四面都是山 There are mountains on all s... |
