up the flue

例句：

1. 1. 向上爬
   比喻
2. 1. The fireman had toup the flue to get the smokeout of the house.
   消防员不得不向上爬烟囱，将烟雾排出房子。
3. 2. We needto up the flue to ventilate the room properly.
   我们需要向上爬烟囱，以便正确通风房间。
4. 3. The oldman was up the flue with a broom,sweeping the floor.
   老人用扫帚向上爬烟囱，清扫地板。