3 sentences

1. 他发誓要胤续家族的优良传统。

   tā fā​shì yào yìn xù jiā​zú de yōu​liáng chuán​tǒng.

   He swore to carry on the fine traditions of his family.

   Source: Dong Chinese Dictionary

2. 我们的合同下个月到期，需要续签。

   wǒ​men de hé​tong xià gè yuè dào​qī, xū​yào xù qiān.

   Our contract expires next month and needs to be renewed.

   Source: Dong Chinese Dictionary

3. 服务员，请帮我续杯咖啡。

   fú​wù​yuán, qǐng bāng wǒ xù bēi kā​fēi.

   Waiter, could I have a refill on my coffee, please?

   Source: Dong Chinese Dictionary