5. A good climber would have professional climbing gear.
登山好手要有一些專門的登山工具。
還能這樣說：
To be a good climber, you need professional climbing gear.
As a good climber, one should have professional mountaineering equipment.
應用解析：
hunting gear 打獵用具；
party gear 宴會的衣服；
put into gear 開動機器；著手工作；
gear up 掛快擋；加速
6. It's not a difficult climb.
這次攀登并不難。
還能這樣說：
Climbing mountain is not so difficult.
The mountain is not hard to conquer.
諺語：
Nothing is difficult to a man who wills.
世上無難事，只怕有心人。
7. We now set out to climb the mountain.
這時我們開始爬山。
還能這樣說：
Now we begin to climb the mountain.
We start to go mountain-climbing.
應用解析：
get set 預備開始；
set forth one's views 闡述己見；
set by 把……擱在一旁；
set free 釋放；解放；
set in one's attitude about 抱定自己對……的態度
8. He dropped behind when we were climbing the mountain.
我們爬山時，他掉隊了。
還能這樣說：
He logged behind our team when climbing the mountain.
He dropped off when we climbed the mountain.
應用解析：
drop drinking 戒酒；
drop a hint 暗示；
drop sb. a line 給某人寫封短信；
drop with fatigue 累倒了；
drop in on a friend 順便走訪朋友