半途而废：在做某事时放弃或停止，没有完成任务或达成目标。
半途而废
奋斗过而不得，跟半途而废(Give up halfway)的姚明不是一个概念。要是说朱建华都留住终生的遗憾的话，我就不信在22岁就去了NBA为总冠军抱负打了8年，却没有一点实际意义上的...
Follow the prescribed way 按指定的路走――按部就班 Give up halfway 中途放弃――半途而废 Afraid of one's own shadow 害怕自己的影子――杯弓蛇影 ..
白头翁干什么都有头无尾（ begin with tigerish energy but peter out towards the end），前功尽弃（give up halfway），头发白了还是一事无成。这个寓言故事深刻地揭示了，没有一个牢固的人生目的（target），要成功是不可能的。
... 中道而废 stop halfway 中道而弃 give up halfway 中道而止 stop halfway ...
半途而废；中途放弃
You didn't give up halfway, but kept on learning and did a good job in the HSK.
你没有半途而废，而是坚持学习，并在汉语水平考试中取得了不错的成绩。
Don't give up halfway, and you will find the scenery is more beautiful when you reach the destination than when you started off.
不要半途而废，你会发现，当你到达目的地时看到的风景比出发时看到的更美。
I started exercising regularly two years ago and went from 253 pounds to a healthy 160 pounds and that is the only thing I did not give up halfway.
两年前，我开始定期锻炼，体重从253磅降至健康的160磅，这是我唯一没有半途而废的事情。
And Peel, overlooked for Wales' Six Nations squad, picked up from the base of the scrum and raced in to score from nearly halfway to give Sale the lead with 15 minutes remaining.