frustrating
adj. 令人懊恼的，令人沮丧的
v. 使懊恼，使沮丧；挫败，阻挠；受挫（frustrate 的现在分词形式）
例句
The current situation is very frustrating for us.
目前的局势对我们来讲是很令人懊丧的。
《柯林斯英汉双解大词典》
I felt sorry for him and his colleagues – it must have been so frustrating for them.
我很同情他和他的同事们–这对他们来说肯定是非常令人沮丧。
It can be quite frustrating.
这很令人沮丧。
