1. (bound form) machine; mechanism
2. (bound form) aircraft
3. (bound form) an opportunity
4. (bound form) crucial point; pivot
5. (bound form) quick-witted; flexible
6. (bound form) organic

1. ticket
2. ballot
3. banknote
4. person held for ransom
5. amateur performance of Chinese opera
6. classifier for groups, batches, business transactions

classifier: 張