There's not enough draught up the chimney.

烟囱上的通风不足。

youdao

The floor was well-worn red brick, and on the wide hearth burnt a fire of logs, between two attractive chimney-corners tucked away in the wall, well out of any suspicion of draught.

地板是红砖铺的，已经踩得很旧，宽大的壁炉里，燃着木柴，两副很可爱的炉边，深深固定在墙里，冷风绝不会倒刮进来。

youdao