2 sentences for 华府 (Huá​fǔ)

1. 他在华府工作了五年。

   tā zài Huá​fǔ gōng​zuò le wǔ nián.

   He worked in Washington D.C. for five years.

   Source: Dong Chinese Dictionary

2. 他在华府居住了多年，对那里的政治氛围很了解。

   tā zài Huá​fǔ jū​zhù le duō nián, duì nà​li de zhèng​zhì fēn​wéi hěn liǎo​jiě.

   He has lived in Washington for many years and knows the political atmosphere there well.

   Source: Dong Chinese Dictionary