frustrate
US /ˈfrʌs.treɪt/
UK /ˈfrʌs.treɪt/

1.
frustrer, contrecarrer
prevent (a plan or attempted action) from progressing, succeeding, or being fulfilled
:
•
The bad weather frustrated our plans for a picnic.
Le mauvais temps a frustré nos projets de pique-nique.
•
His efforts were frustrated by a lack of funding.
Ses efforts ont été frustrés par un manque de financement.
2.
frustrer, irriter
cause (someone) to feel annoyed or less confident because they cannot achieve something
:
•
It frustrates me when I can't express myself clearly.
Cela me frustre quand je ne peux pas m’exprimer clairement.
•
Being stuck in traffic can really frustrate you.
Être coincé dans les embouteillages peut vraiment vous frustrer.