frustrate

US /ˈfrʌs.treɪt/
UK /ˈfrʌs.treɪt/
"frustrate" picture
1.

妨げる, 挫折させる

prevent (a plan or attempted action) from progressing, succeeding, or being fulfilled

:
The bad weather frustrated our plans for a picnic.
悪天候がピクニックの計画を妨げた
His efforts were frustrated by a lack of funding.
彼の努力は資金不足によって妨げられた
2.

イライラさせる, 欲求不満にさせる

cause (someone) to feel annoyed or less confident because they cannot achieve something

:
It frustrates me when I can't express myself clearly.
明確に自分を表現できないとイライラする
Being stuck in traffic can really frustrate you.
交通渋滞に巻き込まれると本当にイライラすることがある。