爬楼梯用英语怎么说?要能体现出爬高层的艰辛感觉的搭配~爬很高的楼```动词可以用CLIMB "高"应该用什么呢?

爬楼梯:Block and Ladder 例：1。电梯故障了。我们必须爬楼梯了。The elevator is out of order。We've got to go up the stairs。2。为保持健康,我爬楼梯而不坐电梯。To keep fit,I climb the stairs rather than take the elevator。3。爬楼梯对于心脏衰弱的人是个负荷。Climbing stairs is a tax on a weak heart。