英语语法分析

Progress was frustratingly slow.

进展慢得使人沮丧。

《牛津词典》

But the process is frustratingly slow.

但这过程慢得让人郁闷。

Unlike many of his colleagues, Porter is frustratingly unquotable.

与他的大多数同事不同，波特极其讨厌别人引用他的文章。