YOU SAID:

10 conceal both of these tragedies for many years,

INTO JAPANESE

10 これらの悲劇を長年隠蔽し、

BACK INTO ENGLISH

10 These tragedies were covered up for many years.

INTO JAPANESE

10 これらの悲劇は長年隠蔽されてきた。

BACK INTO ENGLISH

10 These tragedies were covered up for many years.