YOU SAID:
she sat up late worrying lest he be murdered on the way home
INTO JAPANESE
彼女は帰りに彼が殺されないように心配して夜更かしした
BACK INTO ENGLISH
She stayed up late worrying that he wouldn't be killed on the way home.
INTO JAPANESE
彼女は帰りに彼が殺されないようにと心配しながら夜更かしをした。
BACK INTO ENGLISH
She stayed up late worrying that he might be killed on the way home.
INTO JAPANESE
彼女は帰りに彼が殺されるのではないかと心配して夜更かしした.
BACK INTO ENGLISH
She stayed up late worrying that he might be killed on the way home.
That's deep, man.