lose heart：灰心
造句：
He appealed to his countrymen not to lose heart. 他呼吁自己的同胞不要丧失信心。
Her mother, Glenda, wanted to lose weight. 妈妈不希望他失去信心。
Don't lose heart, all will turn out well.不要失去勇气, 一切会好起来.
The young technical innovator didn't lose heart though the new systemwas not yet brought into a workable condition.尽管这种新方法尚未达到切实可行的状况,这位青年技术革新者也没有泄气.
Others lose heart at the first sight of unusual difficulties. 另有些人乍一见到非同寻常的困难便丧失信心.
Although he ran up against many difficulties, he did not lose heart. 虽然他碰到了许多困难, 但他并不气馁.
We told him not to lose heart in times of difficulty. 我们告诉他在困难时别灰心.
We shouldn't lose heart. We may have another try.我们不应该灰心,我们可以再试一次.
With all the setbacks, he did not lose heart.尽管遭受种种挫折, 他没有丧失信心.
Although he failed in this entrance examination, he didn't lose heart. 这次入学考试他虽名落孙山, 但他并不气馁.