6 sentences

1. 我每周至少去图书馆一次。

   wǒ měi​zhōu zhì​shǎo qù tú​shū​guǎn yī​cì.

   I go to the library at least once a week.

   Source: Tatoeba

2. 我每周至少在这里吃一次。

   wǒ měi​zhōu zhì​shǎo zài zhè​lǐ chī yī​cì.

   I eat here at least once per week.

   Source: CCMatrix

3. 我试着每周至少上课一次。

   wǒ shì​zhe měi​zhōu zhì​shǎo shàng kè yī​cì.

   I try to go to class at least once a week.

   Source: CCMatrix

4. 我来这里一周至少一次或两次。

   wǒ lái zhè​lǐ yī​zhōu zhì​shǎo yī​cì huò liǎng cì.

   I come here at least once or twice a week.

   Source: CCMatrix

5. 每周至少练习一次会让你有所提高。

   měi​zhōu zhì​shǎo liàn​xí yī​cì huì ràng nǐ yǒu​suǒ tí gāo.

   Practicing at least once a week will help you improve.

   Source: CCMatrix

6. 确保你们每周至少一起做一次新的事情。

   què​bǎo nǐ​men měi​zhōu zhì​shǎo yī​qǐ zuò yī​cì xīn de shì​qing.

   Make sure you do something new together at least once a week.

   Source: CCMatrix