1. 四半期   quarter   weekly   half-yearly   daily   Hint Half-n-half Clue   2. 毎週   half-yearly   weekly   fortnight   monsoon   Half-n-half Clue   3. 秋   week   monsoon   winter   monthly   Half-n-half Clue   4. 夏   week   fortnight   summer   quarterly   Half-n-half Clue   5. 年四回   monthly   quarterly   daily   winter   Half-n-half Clue   6. 2週間   spring   fortnight   daily   winter   Half-n-half Clue   7. 週   week   winter   half-yearly   fortnight   Half-n-half Clue