0 to make someone feel annoyed or less confident because they cannot achieve what they want -- 使灰心，使氣餒
1 to prevent the plans or efforts of someone or something from being achieved -- 阻撓，阻止；挫敗
Commonly, they felt alienated from non-combatant society, frustrated at personal failure, and resentful of inadequate government policies and pettyminded officials.
What is frustrating about all these chapters is the lack of integration and a regional comparison.
The individual is frustrated by the formal constraints imposed by formal organisations and creates informal activities.
I have encountered many frustrated, angry, disappointed and depressed older people.
On the other hand, the delay of the state treasuries frustrated many chiefs.
The essay is deliberately ambiguous about the author's skin colour, frustrating any assumptions the reader might have.
In part at least, the conditions which frustrated their fuller implication also provided the justification for renewed efforts to improve social conditions.
He was frustrated by the time and accommodation for music and in the end only taught a few lessons.
