frustrated
US /ˈfrʌs.treɪ.t̬ɪd/
UK /ˈfrʌs.treɪ.t̬ɪd/

1.
좌절한, 실망한
feeling annoyed or less confident because you cannot achieve what you want
:
•
I'm so frustrated with this slow internet connection.
이 느린 인터넷 연결 때문에 너무 좌절스러워.
•
She felt frustrated by the lack of progress.
그녀는 진전이 없어서 좌절감을 느꼈다.