发生 (fā shēng): 起こる; 発生する; 行われる; 勃発する; 起こる; 発生する; 行われる; 勃発する（火事、戦争、病気などの）

A strange thing happened yesterday.

The accident happened at the intersection.

If a problem occurs, please tell me immediately.

Great changes have taken place here recently.

This happened yesterday afternoon.

A big fire broke out there.

If a problem occurs, please contact me immediately.

Great changes have taken place here in recent years.

No one knows what will happen next.