1.no doubt that 毫无疑问
例句：There is no doubt that the celebrity spokespeople could boost the sale of a product.
毫无疑问，名人代言能增强产品的销路。

2.in a whirl 混乱的；零乱；处于混乱状态
例句：He tramped steadily on through the wheat stubble, walking fast, his head in a whirl .
他踩着麦梗稳步前进，走得很快，头脑里昏昏沉沉的。

3.sum up 总计；归纳；总括
例句：Let Me. take a minute to sum up the main points of the discussion.
让我简短地把这次讨论的重点做个总结。

4.come to the conclusion 得出了这样的结论；形成某种结论；总结出
例句：We have come to the conclusion that he was lying.
我们得出结论，他撒了谎。

5.flush up 脸红；向上冲刷
例句：My companion flushed up with pleasure at my words, and the earnest way in which I uttered them.
我的同伴听了这话，而且看到我说话时的诚恳态度，他高兴得涨红了脸。