YOU SAID:

prosperous boast, but alas

INTO JAPANESE

繁栄を誇るが、残念ながら

BACK INTO ENGLISH

Its prosperity, but unfortunately

INTO JAPANESE

その繁栄は、残念ながら

BACK INTO ENGLISH

Unfortunately, its prosperity

INTO JAPANESE

残念ながら、その繁栄

BACK INTO ENGLISH

Unfortunately, its prosperity