英音听力讲解:父母往往在孩子的肥胖严重时才意识到问题

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短语讲解：

1. The Socialists are projected to lose control of about half the councils they previously held.

lose control of 失去对…的控制
例句：He does not lose control of his temper easily. 
他不轻易失去自我控制。 

2. And so far, it has gone relatively smoothly, but the most dangerous period is still ahead when we finally get the official results and the reaction of the two rival candidates.

so far 到目前为止; 迄今为止
例句：Now, I have so far merely made assertions. 
直到现在为止，我只是在作论述。 

3. And nearly 400 children, who according to their BMI, were very overweight, just four parents recognized their children had a problem.

according to 根据
例句：According to her, grandfather called at noon. 
据她说,祖父在中午打来电话。