Happening

1.

(an event. something that takes place, occurrence) ព្រឹត្តិការណ៍, ហេតុចៃដន្យ
Example: There have been strange happening here lately.

• take measures to prevent something happening
  - ចាត់វិធានការការពារមិនឲ្យបញ្ហាកើតឡើង

1.

accident, affair, circumstance, event, incident, instance, moment, occasion