再び

1. Origins, structure, and basic meaning

• Structure: 再び is an adverb read ふたたび, indicating that something happens again.
• Basic usage: It is used for resuming an interrupted action or revisiting a place.

2. Common pitfalls and similar expressions

• Repetition and addition
  • また can indicate repetition, but it can also introduce additional information. That additive use cannot always be replaced with 再び.
• Count and timing
  • 再び alone does not specify the exact number of repetitions or mean that the event happens immediately afterward.