3 sentences

1. 他这周回来训练了。

   tā zhè zhōu huí lai xùn​liàn le.

   He returned to training this week.

   Source: CCMatrix

2. 我平时总是一周回家一次。

   wǒ píng​shí zǒng​shì yī​zhōu huí jiā yī​cì.

   I usually go home once a week.

   Source: CCMatrix

3. 他每周回家一次，与家人共度时光。

   tā měi​zhōu huí jiā yī​cì, yǔ jiā​rén gòng​dù shí​guāng.

   He goes back home once a week to spend time with his family.

   Source: CCMatrix