English:”Why do you suppose it is that he is always in the office until late?”

彼輪どうしていつもおそくまで会社にいるんでしょおねえ。

Literal translation: That man is why always late just (limitation) office in existing it’s that probably, now that I think about it.

“It’s probably because he hates the rush hour”.

ラッシュアワアがいやだからでしょう。

Literal translation: Rush hour is no so that’s because probably.