I didn't realize how big Beijing was.

我原来不知道北京有这么大。

youdao

As is reported in the newspaper, the air pollution in some big cities, such as Beijing and Wuhan, has become more and more serious.

正如报纸上所报道的，北京和武汉等大城市的空气污染已经变得越来越严重。

youdao

Guilin isn't as big as Beijing.

桂林没有北京大。

youdao

And for all Thursday's celebrations - big and small the skies in Beijing were clear and blue, a striking departure from the heavy fog of a day earlier.

VOA: standard.2009.10.01

Another big item today is a house. Beijing homes are expensive;

VOA: standard.2009.09.28

His store is big in Beijing, tiddly elsewhere but still ambitious.

ECONOMIST: Retail in China

Also, people from big cities like Beijing and Shanghai are very biased against outsiders.

BBC: Q&A: Chinese dating consultant Zhou Xiaopeng

The "most important feature" is the inclusion for the first time of an equal proportion of deputies from urban and rural areas, with more delegates from farming regions and fewer from big cities like Beijing or Shanghai, it says.

BBC: China media: Opinions divided on Congress