VOA慢速英语:Going to College on 'Words to the Wise'

1. define vt. 规定; 使明确; 精确地解释
例句：We were unable to define what exactly was wrong with him
我们说不清楚他到底哪里不对劲。

2. confuse vt.使困窘; 使混乱; 使困惑
例句：Great care is taken to avoid confusing the two types of projects
大家非常谨慎，以免把这两类项目弄混。

3. tie vt.（用线、绳等） 系; （在线、绳上） 打结
例句：He tied the ends of the plastic bag together
他把塑料袋的两头系在了一起。

4. explain vt.讲解，解释
例句：Not every judge, however, has the ability to explain the law in simple terms
然而，不是每个法官都能用简单的语言来解释法律。

5. require vt.需要; 要求; 想要
例句：If you require further information, you should consult the registrar
如果需要进一步了解信息，请咨询教务主任。