1. 缆绳   cable   chain   engine   shock absorber   Hint Half-n-half Clue   2. 轮幅   lock   spoke   exhaust pipe   motorcycle   Half-n-half Clue   3. 闸   brake   pump   cable   inner tube   Half-n-half Clue   4. 摩托车   brake   wheel   motorcycle   handbrake   Half-n-half Clue   5. 把手   pedal   handlebar   pump   lock   Half-n-half Clue   6. 喇叭   horn   wheel   lock   engine   Half-n-half Clue   7. 三轮车   horn   scooter   seat   tricycle   Half-n-half Clue