"I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character.

VOA: special.2010.04.16

That has to count as the toughest day, not only in my career, but also in the history of that particular presidency.

那可以算得上是最艰难的一天，不仅在我的职业生涯里，在总统任期的历史中,也是最艰难的一天吧。

普林斯顿公开课 - 国际座谈会课程节选

Today is not my lucky day.

今天真是我的倒霉日。

I can't 实战 - SpeakingMax英语口语达人

I could just have a good time playing a whole bunch of day parties, play some stuff at night that was free,see my friends, and not feel like I was missing something, or that I had to do anything.

VOA: standard.2010.04.07