Learners can feel very discouraged if an exercise is too difficult.

　　如果練習太難，學習者就可能感到很沒信心。

　　Her criticisms had the effect of discouraging him completely.

　　她批評的結果是使他完全喪失了信心。

　　You could try being a little more encouraging!

　　你可以試著多給人一些鼓勵嘛！

　　We were greatly encouraged by the positive response of the public.

　　公眾所持的肯定態(tài)度給了我們極大的鼓舞。

　　Everyone helped to unload the luggage from the car.

　　大家都幫著從汽車上卸行李。