disappointingly
adv. 令人失望地
例句
Progress is disappointingly slow.
进展慢得令人失望。
《柯林斯英汉双解大词典》
The room was disappointingly small.
屋子小得令人失望。
《牛津词典》
The first thing we look for is his sandals, but, disappointingly, he's barefoot.
我们首先寻找的是他的凉鞋,但令人失望的是,他是赤着脚。