3 sentences

1. 我们真的在大不列颠！

   wǒ​men zhēn​de zài Dà Bù​liè​diān!

   We're actually in Great Britain!

   Source: OpenSubtitles

2. 英国的全称是大不列颠及北爱尔兰联合王国。

   Yīng​guó de quán​chēng shì Dà Bù​liè​diān jí Běi'ài'ěr​lán lián​hé wáng​guó.

   The full name of the UK is the United Kingdom of Great Britain and Northern Ireland.

   Source: Dong Chinese Dictionary

3. 他的哥哥在大不列颠留学，已经在那里生活了三年。

   tā de gē​ge zài Dà Bù​liè​diān liú​xué, yǐ​jīng zài nà​li shēng​huó le sān nián.

   His older brother is studying in Great Britain and has already been living there for three years.

   Source: Dong Chinese Dictionary