令他失望的是 meaning in English

to his disappointment

To his disappointment , the expected party was called off
令他失望的是，他期待的聚会取消了。
Tom s excitement enabled him to keep awake until a pretty late hour , and he had good hopes of hearing huck s " maow , " and of having his treasure to astonish becky and the picnickers with , next day ; but he was disappointed . no signal came that night
汤姆也激动得很晚才睡着，他怀着极大的希望等着听哈克的“猫”叫，好在第二天野餐时拿出财宝给贝基和参加野餐的人一个惊喜，可他的如意算盘落了空，令他失望的是那天晚上根本没有任何“猫”叫声传来。