| 41. | asphalt [concrete] jungle |
| “柏油［混凝土］丛林”（指竞争剧烈、弱肉强食的大城市）
|
| 42. | a blackboard jungle |
| 黑板丛林（指学生无组织无纪律的学校）
|
| 43. | the faculty jungle at a university |
| 大学教师之间的激烈竞争
|
| 44. | hobo jungle |
| （美口）流浪汉和失业者的留宿地
|
| 45. | venture deep into the jungle |
| 冒险进入丛林深处
|
| 46. | the law of the jungle |
| 丛林法则，若肉强食的原则
|
| 47. | cut a path through the jungle |
| 在丛林中开辟一条路
|
| 48. | a jungle of wrecked automobiles |
| 一堆破汽车
|
| 49. | a jungle of tax laws |
| 繁杂难懂的税法
|
| 50. | the savage nature of the wild beasts of the jungle |
| 丛林野兽的残酷天性
|