YOU SAID:

Surprised you're back to work so soon.

INTO JAPANESE

こんなに早く仕事復帰されてビックリ。

BACK INTO ENGLISH

I was surprised to get back to work so quickly.

INTO JAPANESE

仕事復帰が早くてビックリしました。

BACK INTO ENGLISH

I was surprised at how quickly I got back to work.

INTO JAPANESE

仕事復帰の早さに驚きました。

BACK INTO ENGLISH

I was amazed at how quickly he returned to work.

INTO JAPANESE

仕事復帰の早さに驚きました。

BACK INTO ENGLISH

I was amazed at how quickly he returned to work.