pursuit (noun)  

به‌دواداچوون - به‌دوا كه‌وتن -به‌دووكه‌تن

A dog in pursuit of a bird

Pursuit is the act of following in order to catch, capture or kill.

• The lion was in pursuit of the zebra.
• The police officer was in pursuit of the thief.

Pursuit also is an effort to attain something.

• In his pursuit to complete a marathon, Ted ran every morning.
• Andrea's pursuit to read five books a week gave her little time for anything else.