1. 举重   wrestling   skiing   football, soccer   weightlifting   Hint Half-n-half Clue   2. 水球   gymnastics   boxing   water polo   tennis   Half-n-half Clue   3. 拳击   basketball   athletics   volleyball   boxing   Half-n-half Clue   4. 羽毛球   skating   wrestling   volleyball   badminton   Half-n-half Clue   5. 马骑马   horse-riding   skating   ping-pong, table tennis   rugby   Half-n-half Clue   6. 棒球   tennis   billiards   golf   baseball   Half-n-half Clue   7. 橄榄球   ping-pong, table tennis   wrestling   billiards   rugby   Half-n-half Clue