He seemed to be in a brown study and I thought he hardly heard what we were saying.

他似乎在做一个棕色的研究， 我想他几乎听不见我们在说什么。

Mac and Rose were alone he apparently in a brown study, leaning his elbows on the chimneypiece, and she lying back in a low chair looking thoughtfully at the fire.

麦克和罗斯独自一人， 他显然在一个棕色的书房里， 手肘靠在壁炉架上， 而她靠在一张矮椅子上， 若有所思地看着炉火。