唐突

1. Origins, structure, and basic meaning

• Structure: 唐突 is read as とうとつ and can mean “abrupt” or “unexpected”, depending on context.
• Basic usage: The examples show an abrupt question and an unexpectedly sudden story ending.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It conveys abruptness without preparation or transition; use 唐突な before a noun and forms such as 唐突で to connect clauses.