14. I believe mountaineering is really beneficial.
我相信登山是很有益處的。
還能這樣說：
I think we can get a lot from mountaineering.
I am of the opinion that mountaineering is helpful.
諺語：
Believe not all that you see nor half what you hear.
眼見的不能全信，道聽途說的更不能信。
15. I am for the hills this vacation.
我贊成今年休假去爬山。
還能這樣說：
I agree with the idea that we will climb the mountain this vacation.
I approve of climbing the mountain this vacation.
應用解析：
a hill of beans 沒有多大價值的東西；
as old as the hills 古老的；
over the hill 巔峰期已過；
up hill and down dale 到處
16. The mountaineers ran into a snowstorm.
登山運動員遇上了暴風雪。
還能這樣說：
The mountaineers came across a snowstorm.
The mountaineers met a snowstorm.
應用解析：
be run off one's feet 非常忙碌；
the run of 自由參觀或使用；
run across 偶然遇到；
on common run of 普通類型的；
on the run 逃走，躲藏，匆匆忙忙；
in the short run 近期內，不久
17. Burdened with so much equipment, I climbed with difficulty.
我背著這么多的設備，登山很吃力。
還能這樣說：
Too much equipment made it difficult for me to climb.
I had difficulties in climbing because of too much equipment.
應用解析：
the burden of sth. 常說等的主題、要點；
burden oneself with something 加負擔于自己
18. They laughed at my puny efforts at rock-climbing.
他們取笑我在攀巖活動中的那可憐勁兒。
還能這樣說：
They made fun of my puny efforts at rock-climbing.
They mocked at my puny efforts when I climbed the rock.
應用解析：
laugh sth. away 以笑消除不快等；
laugh sb. down 用輕蔑的笑聲止住某人的聲音或駁斥某人；
laugh sb. out of sth. 使某人發笑以忘掉其問題等