It is a tightly controlled environment, in which an iron grip is kept on the media exposure of the Obama children both for reasons of family and of state.

这是一种受到严密控制的环境，在这样的环境下，既是出于家庭的原因也是出于国家的原因，奥巴马孩子们的媒体曝光率受到严格的控制。

youdao

He really knew everything there was to know and in a certain sense was a person who did go native while at the same time wielding with an iron grip of authority power over the colonized other.

他了解一切应该了解的东西，从某种意义上来说，他是一个既入乡随俗，又紧握对被殖民的他者的，控制权。

youdao

Mr. Buffett turned 79 years old in August and continues to hold an iron grip on Berkshire, a sprawling empire of diverse companies.

8月份过了79岁生日的巴菲特仍牢牢地掌控着业务多样、不断扩张的伯克希尔哈撒韦。

youdao

But Mr Zapatero has shown himself to be a skilled political tactician with a ruthless appreciation of power that has given him an iron grip over his own party.

ECONOMIST: Flirting with nationalists, provoking the opposition

Mr Ecclestone's companies have an iron grip on every frame that is shot within miles of a race--not just the actual contest, but the practice sessions and footage taken in the pits.

ECONOMIST: Mr Formula One