突如其来 (tū rú qí lái): จะเกิดขึ้นอย่างฉับพลัน

We were taking a walk in the park when suddenly, an abrupt heavy rain soaked us to the bone.

He was about to go to sleep when a sudden knock on the door startled him; it turned out to be a neighbor borrowing something.

The company was in a period of transition, and an abrupt market change forced the management to reformulate their strategy.

Hearing this sudden news, she was speechless for a moment, and tears streamed down her face uncontrollably.