1.amuse [ə'mjuːz] 
vt. 使娱乐，使发笑 
We amused ourselves by watching the passers-by. 我们观察来往的行人自娱自乐。
amusing adj. 有趣的，好玩的 =funny

2. reserve [rɪ'zɜːv] 
v. 保留，预定
These seats are reserved for the elderly and women with babies. 这些座位是为老年人和带婴儿的女性预留的。
reservation n. 保留，预定

3. preserve [prɪ'zɜːv] 
vt. 保存，保护 
preservation n.
to preserve the environment 保护环境

4. conserve [kən'sɜːv] 
vt. 保护，节省
conserve energy 节省能源
natural conservation area 自然保护区

5. observe [əb'zɜːv] 
v. 观察 
The role of scientists are to observe and describe the world. 科学家的角色是观察和描述这个世界。

6. deserve [dɪ'zɜːv] 
v. 应得，应受，值得
After all that hard work, you deserve a holiday. 辛苦工作之后你该有个假期。

7. pain [peɪn] 
n. 疼痛，努力 
No pains, no gains. 不劳则无获
I have a pain in the arm. 我胳膊痛

8. strive [straɪv] 
vi. 努力，奋斗，抗争
We need to strive to narrow the gap between the rich and the poor. 我们要努力缩小贫富差距。

9. contrive [kən'traɪv] 
v. 设计，发明，设法做到
Somehow she contrived to get tickets for the concert. 她不知用什么方法弄到了音乐会的票。

10. endeavor [ɪn'devə] 
v. /n. 努力，尽力 
I endeavored to explain the legal consequences of his action. 我努力解释他的行为会带来的法律后果。