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