1. adventure
    adventurous adj. 喜欢冒险的 充满冒险
    adventurer 冒险家
1) n
① 作可数名词，意思是 冒险经历
She told me about her adventures in Africa(他在非洲的冒险经历).
② 作不可数名词，意思是冒险
Our life is full of adventure.我们的生活充满着惊险和刺激。
年轻人总喜欢冒险。The young are always fond of adventure.
③ 作定语
Adventure stories/films
2) vt. 意思是拿…冒险，使…冒风险
不要拿你的生命去冒险 Don’t adventure your life.
vi. 冒险，企图侥幸（on/upon）
那些冒险家在一些不为人知的大海里冒险。
Those explorers adventured on some unknown seas.
她总喜欢在遥远的地方冒险。She likes adventuring in remote place.

2. astonishing adj. “惊人的，令人惊讶的” astonished adj. “感到惊讶的”常做表语。
  Astonish vt. 使惊讶 astonishment n. 惊讶
这个消息是令人震惊的 The news was astonishing.
这个消息使每个人都感到震惊 The news astonished everyone.
当她听到这个消息的时候很震惊。She looked astonished when she heard the news.
使我震惊的是，她完全消失了。To my astonishment, it disappeared completely.

3. envy
    vt & n妒忌。羡慕；妒忌对象
envy sb. sth. 妒忌或羡慕某人某事
feel envy at …对……感到妒忌或羡慕
out of envy 出于妒忌
become the envy of …成为……羡慕的对象
Lucy was good-looking, rich and clever, so all her friends envied her.露西长得漂亮,家庭富有,人又聪明,所以她的朋友们都妒忌她.
“How I envy you!” said Tom.汤姆说:”我多么羡慕你啊!”

4. worth
    表示“价值……”的意思时，常与表示金钱的名词连用；表示“值得……”的意思时，常与doing连用。它一般用作表语，有以下三个句型： 
sth. be worth +money(the price) 价值……
sth. be (well) worth doing sth.（很）值得做……
It is worth (one’s) while to do sth./doing sth.值得某人花时间做某事
It’s well worth making great efforts to learn English well.很值得花时间把英语学好。
=It’s worth our while to learn/learning English well.