frustrating
US /ˈfrʌs.treɪ.t̬ɪŋ/
UK /ˈfrʌs.treɪ.t̬ɪŋ/

1.
令人沮丧的, 令人挫败的
causing annoyance or upset because of an inability to change or achieve something
:
•
It's frustrating when you can't make progress.
当你无法取得进展时,会感到很沮丧。
•
The slow internet connection is very frustrating.
缓慢的互联网连接非常令人沮丧。