GbEng
我因有约在先，所以未能参加这个会。 I was unable to attend the meeting because of a prior engagement.
她因未能获得奖金而深感不满。 She's very dissatisfied at not getting a bonus.
我算是放了暑假了, 但却未能真正休息. I had a kind of/sort of holiday in the summer but I couldn't really relax.
她花言巧语也未能打动他们卖掉别墅。 All her wiles were not enough to persuade them to sell the villa.
关於日期[什么时候见面], 我们未能取得一致意见. We couldn't agree on a date/when to meet.
由於将军未能当机立断, 我军已丧失对敌采取行动的主动权. Because of the general's indecisiveness,our armies have lost the initiative to the enemy.
这项答复未能使他完全满意。 The answer was not quite satisfactory to him.
交割失信在股票或抵押品售出后，未能在规定日期内办理交接手续 Failure to receive the proceeds of a transaction, as in the sale of stock or securities, by a specified date.
那囚犯挣扎著（要摆脱那些逮他的人）, 却未能逃脱. The prisoner struggled (against his captors) but couldn't escape.
他虽竭尽全力，但仍然未能将那石头搬起来。 He failed to lift the rock in spite of all his exertions.
多年的研究工作未能找到医治这种疾病的疗法. Years of research work have failed to produce a cure for the disease.
该书的缺点在於作者未能把论证展开. The book's weakness is the author's inability to sustain an argument.
由於炸弹过早爆炸, （恐怖分子的）阴谋未能得逞. The plot backfired (on the terrorist) when the bomb exploded too soon.