YOU SAID:

I don't know what exactly is happening but I am very concerned

INTO JAPANESE

何が起こっているのか正確にはわかりませんが、とても心配しています

BACK INTO ENGLISH

I don't know exactly what's going on, but I'm very worried

INTO JAPANESE

何が起こっているのか正確にはわかりませんが、とても心配しています

BACK INTO ENGLISH

I don't know exactly what's going on, but I'm very worried