adj. （承诺）未履行的；（任务）未完成的；不整洁的；未照看好的
(especially of promises or contracts) having been violated or disregarded
broken (or unkept) promises
同义词： broken
... confused 困惑的 unkept 未履行的 wiped out 精疲力竭的 ...
At the worst a house unkept cannot be so distressing as a life unlived.
即使在最坏的情形下，一幢修缮过的房子也不会比一段想要忘却的经历那样让人伤心。
But clearly, the question mark associated with past unkept promises hung in the air over that firmly delivered assertion.
In 1878, when the promise went unkept, the surviving members of the ordeal defy the government and make the trek home, confronting the danger of mass slaughter by the Army and one officer, Captain Thomas Archer (Richard Widmark), puts his career on the line to save them, even as the Quaker schoolteacher he loves (Carroll Baker) leaves the Army outpost to travel with them.