1. exhibit [ɪg'zɪbɪt] 
v. 展览，显示; n. 展览品，展示会，证据
We have exhibited many of his works at our gallery in recent years. 近些年，我们画廊展览了他的许多作品。
exhibition n. 展览，显示

2. hamper ['hæmpə] 
vt. 妨碍 hamper traffic 阻碍交通
Fierce storms have been hampering rescue efforts and there is now little chance of finding more survivors. 猛烈的风雪妨碍了营救工作，现在发现更多生还者的几率很小。

3.hinder ['hɪndə] 
v. 阻碍
Do not let your yesterday hinder tomorrow’s achievements. 别让昨天阻碍你成就辉煌的明天。

4.obstruct [əb'strʌkt] 
v. 妨碍，阻塞，遮断
After the earthquake many roads were obstructed by collapsed buildings. 地震后，坍塌的建筑阻塞了许多道路。
obstruction n. 障碍

5.barrier ['bærɪə] 
n. 屏障，障碍，界限；vt. 用栅栏围住
tariff barrier关税壁垒

6.block [blɒk] 
n. 块，区，障碍；
The museum is just six blocks away. 博物馆只有六个街区那么远。
vt. 阻止，挡，限制
My view was blocked by a tall man in front of me. 在我前面的那个高个子男人挡住了我的视线。

7.jam [dʒæm] 
v. 塞入，挤进，堵塞；n. 果酱，拥挤，困境
traffic jam 交通堵塞

8.discourage [dɪs'kʌrɪdʒ] 
vt. 阻止，劝阻，使气馁
Low prices discourage industry. 低价阻碍工业发展。

9. daunt [dɔːnt] 
vt. 使气馁，威吓，使畏缩
She was not at all daunted by the size of the problem. 她完全不会被困难的大小吓倒。

10. frustrate [frʌ'streɪt] 
v. 挫败，阻挠，使懊恼；adj. 挫败的，无益的
It frustrates me that I'm not able to put any of my ideas into practice. 我苦恼的是我不能将自己的任何想法变为现实。