VOA慢速英语:Where Is Kim Jong Un?

短语讲解：

1. North Korean leader Kim Jong Un failed to appear at a holiday celebration Friday in the North Korean capital, Pyongyang.

fail to 未能…
例句：Fail to pay and they'll cut off the electricity. 
你（如果）不付款，他们就要断电。 

2. But South Korea’s Unification Ministry says it believes that Kim Jong Un is still in control of the North.

in control of 控制，管理
例句：He was in control of the car. 
他负责这辆小汽车。 

3. South Korean officials say they are not worried about instability in the North Korean leadership.

worry about 担心
例句：Don't worry about being late. It's fine. 
别为迟到担心了 没有关系。