長ながい間あいだ

expression, noun, adverb

for a long time; for quite some time; long interval

Used as an adverbial phrase or noun to indicate a long duration. Often appears with particles like に or の, or as a standalone adverbial.

• 長ながい間あいだ、お世せ話わになりました。

  Thank you for everything over the long time you've helped me.

• 彼かれは長ながい間あいだ、海かい外がいで暮くらしていた。

  He lived abroad for a long time.

• 長ながい間あいだの努ど力りょくが実みを結むすんだ。

  His long-time efforts bore fruit.