ADJ-GRADED
令人灰心的;使人沮丧的;让人懊恼的
Something that is frustrating annoys you or makes you angry because you cannot do anything about the problems it causes.
例句
The current situation is very frustrating for us...
当前的情形令我们十分灰心。
...It is a frustrating and difficult time for Pat.
对帕特来说，这是一个令人沮丧和颇为艰难的时期。