■失

成語 ［中］ 失：差错。指非常有把握，绝对不会出差错。 ［英］ no danger of anything going wrong；cannot possibly go wrong；infallible；surefire […]

成語 ［中］ 偿：抵得上。所得的利益抵偿不了所受的损失。 ［英］ submarginal; the loss outweighs the gain; gain does not equal to loss; gains […]

成語 ［中］ 怅然：形容不如意、不痛快。象失去什么似的烦恼不快。 ［英］ feel lost; become lost in a deep reverie; be in a despondent mood ［日］ ふさぎ […]