1. mei ri   monthly   daily   quarter   fortnight   Hint Half-n-half Clue   2. ban nian   spring   winter   half-yearly   weekly   Half-n-half Clue   3. liang xing [ji;qi]   monthly   fortnight   weekly   annual   Half-n-half Clue   4. yue [du;duo]   winter   spring   monthly   week   Half-n-half Clue   5. mei nian   spring   annual   biannual   fortnight   Half-n-half Clue   6. [chu;chu] suo   half-yearly   quarter   summer   quarterly   Half-n-half Clue   7. dong tian   monthly   winter   annual   weekly   Half-n-half Clue