1. What if the avalanche happened?
要是發生雪崩怎么辦？
還能這樣說：
What can we do if the avalanche took place?
What if an avalanche came up?
諺語：
He who seize the right moment is the right man.
誰把握機會，誰就贏。
2. There is so little snow this year, so the sports association made snow with machine to create ski slope for the ski contest.
今年降雪少，因此運動協會人工降雪為此次滑雪比賽建造場地。
還能這樣說：
The sports association founded a ski slope with a artificial snow for the ski competition, for it snowed little this year.
In order to found a ski slope for the ski match, the sports association made snow with machine, because there was little snow this year.
應用解析：
(as) white as snow 雪白，極白；
be snowed in (over) 被大雪封住；被花言巧語蒙蔽住
3. Learning skiing is as easy as shelling peas.
學滑雪輕而易舉。
還能這樣說：
It is a piece of cake to learn skiing.
Learning skiing has no sweat.
應用解析：
all of a sweat (=in a sweat) 滿身大汗；焦急萬分；非常害怕
4. Skiing is an exciting game.
滑雪是一項刺激的運動。
還能這樣說：
It is very exciting to go skiing.
Going skiing is very exciting.
諺語：
A good book is a good friend.
好書如摯友。