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