I guess you are spending your everyday life with a look of innocence.
I guess you go about your daily life as if you've got nothing to hide.
ご質問ありがとうございます。
① "I guess you are spending your everyday life with a look of innocence."=「君は日常生活を何食わぬ顔で過ごしているんだろうな。」
② "I guess you go about your daily life as if you've got nothing to hide."=「君はまるで何も隠すことがないかのように、日常生活を送っているんだろうな。」
ご参考に!