突如

1. Origins, structure, and basic meaning

• Structure: 突如 is read as とつじょ and means “suddenly” and “abruptly”.
• Basic usage: It marks abrupt changes: a bell ringing on a quiet stage and clouds suddenly vanishing.

2. Common pitfalls and similar expressions

• Key distinction: 突如、
  • It is an adverb modifying the event that follows. A comma may follow as in 突如、, but it is not a noun that takes a case particle here.