3 sentences

1. 这件珍宝他一直待价而沽。

   zhè jiàn zhēn​bǎo tā yī​zhí dài​jià ér gū.

   He has been holding onto this treasure, waiting for the right price to sell it.

   Source: Dong Chinese Dictionary

2. 天津又称津沽。

   Tiān​jīn yòu chēng Jīn Gū.

   Tianjin is also known as Jingu.

   Source: Dong Chinese Dictionary

3. 我去村头的小店沽了一壶酒。

   wǒ qù cūn​tóu de xiǎo diàn gū le yī hú jiǔ.

   I went to the small shop at the edge of the village to buy a pot of wine.

   Source: Dong Chinese Dictionary