YOU SAID:

i don't know why she swallowed a fly, perhaps she'll die

INTO JAPANESE

彼女がハエを飲み込んだ理由がわからない、おそらく彼女は死ぬだろう

BACK INTO ENGLISH

I don't know why she swallowed the fly, she'll probably die

INTO JAPANESE

なぜ彼女がハエを飲み込んだのかはわからない、彼女はおそらく死ぬだろう

BACK INTO ENGLISH

I don't know why she swallowed the fly, she will probably die

INTO JAPANESE

なぜ彼女がハエを飲み込んだのかはわからない、彼女はおそらく死ぬだろう

BACK INTO ENGLISH

I don't know why she swallowed the fly, she will probably die