VOA慢速英语:Theodore Roosevelt: Energetic

n. 昵称; 绰号; 诨名;
vt. 给…起绰号; 用诨名[爱称]称呼; 叫错名字;
[例句]Red got his nickname for his red hair.
“红毛”的绰号源于他的红头发。

2.vigorous

adj. 有力的; 精力充沛的; 充满活力的; 朝气蓬勃的;
[例句]Very vigorous exercise can increase the risk of heart attacks
运动太过剧烈会增大心脏病发作的风险。

3.strenuous

adj. 紧张的; 奋发的; 费力的，用力的; 热烈的;
[例句]Avoid strenuous exercise in the evening
晚上不要做剧烈运动。

4.grief

n. 悲伤; 悲痛; 悲伤的事;
[例句]Their grief soon gave way to anger.
他们的悲痛迅速转化为愤怒。

5.landslide

n. [地] 山崩; 大胜利;
[例句]He won last month's presidential election by a landslide
他以压倒性多数赢得上月的总统选举。

7.obligation

n. 债务; 义务，责任; 证券，契约; 恩惠;
[例句]The United States will do that which is necessary to meet its obligations to its own citizens
美国将为自己的公民尽其应尽的义务。

8.in his own right

[词典] 凭其自身的权利;
[例句]Their baby is a person in his own right.
他们的宝宝是个很独立的人。

9.lesson

n. 功课; 教训，训诫; 课程，一堂课; [宗] 日课;
vt. 教训，训斥; 教课; 向…授课;
[例句]It would be his last French lesson for months
这将是他以后几个月里的最后一堂法语课。