再び（ふたたび）

About

再ふたたび is a stiff-sounding adverb, that is mainly used in written scenarios, and means "(once) again" or "once more".

In casual situations, また should be used in place of 再ふたたび.

E.g. ガソリンは、再ふたたび値ね上あがりしている。 "The price of gasoline is rising once again."

E.g. 再ふたたび強つよい痛いたみに襲おそわれた。 "(I) was once again overcome by intense pain."

再ふたたび can be combined with 二度にどと ("never again (lit. twice)") to form emphatic "never, ever again" statements.

E.g. 二度にどと再ふたたびあんなところに行いかない。 "I am never, ever going to go to that kind of place again."

Summary

• 

  再ふたたび is a stiff-sounding adverb that means "(once) again" or "once more"

• 

  In casual situations, また should be used in place of 再ふたたび

• 

  再ふたたび can be combined with 二度にどと ("never again (lit. twice)") to form emphatic "never, ever again" statements