Learners can feel very discouraged if an exercise is too difficult.
如果练习太难，学习者就可能感到很没信心。
Her criticisms had the effect of discouraging him completely.
她批评的结果是使他完全丧失了信心。
You could try being a little more encouraging!
你可以试着多给人一些鼓励嘛！
We were greatly encouraged by the positive response of the public.
公众所持的'肯定态度给了我们极大的鼓舞。
Everyone helped to unload the luggage from the car.
大家都帮着从汽车上卸行李。