Words and expressions
1. Caveman 穴居人；野蛮的人
2. Pot-holing 洞穴探险
Synonym: caving
3. Solitude 独处，独居
Synonym: privacy
4. Lure 引诱，劝诱
Synonym: entice
5. Rambler 漫步者
6. Undertaking 任务，项目；承诺，保证
E.g. she made a written undertaking that she would working hard.
7. Foresight先见之明
Hindsight 事后聪明
8. Foretell 预知，预言
9. Chasm 断层，裂口，陷坑；巨大分歧，显著差别
E.g. There used to have a huge chasm between Steve Jobs and Apple's board.
10. Flaw 裂缝；缺点
11. Distinguished 杰出的，著名的
E.g. Steve Jobs has a distinguished career in high technology field.
12. Wade 蹚，涉（水或淤泥）
Wade through 艰难的处理，费力的阅读
E.g. She spent the whole day wading through the contracts.
13. Insistent 连续的；坚决要求
Insistent on doing sth
14. Cleft 裂口，裂缝
A cleft in the rocks
15 Glisten 闪亮，闪光
All that glitters is not gold 闪闪发光的未必都是金子
