Translation

• every week

Examples

• 我们每周在这儿聚一次。
  We gather here once a week.
• 我妹妹每周上两次钢琴课。
  My sister takes piano lessons twice a week.
• 我每周游一次泳。
  I swim once a week.
• 我最多只能付每周50美元的房租。
  I can pay no more than $50 a week for rent.