YOU SAID:
I am astonished that Jacob had his camera on
INTO JAPANESE
ヤコブがカメラをつけていたのには驚いた
BACK INTO ENGLISH
I was surprised that Jacob was wearing a camera
INTO JAPANESE
ジェイコブがカメラをつけていてびっくりしました
BACK INTO ENGLISH
I was surprised that Jacob was wearing a camera
Well done, yes, well done!