1. frustrated
They grew frustrated.
Do you ever get frustrated by technology?
If I look frustrated it's because I'm trying to do so many things at once.
Listen, I'm just as frustrated as you.
The small child quickly became frustrated when she coudn’t fit the pieces of the jigsaw puzzle together
Frustrated with the European languages, which he considered "too boring", Christopher Columbus invented "Columbian", a language so complicated that only he could speak it.
If she continues to live with a man she doesn't love for his money, the day will come when she will be utterly frustrated and between the devil and the deep blue sea.
The work of art, I decided, was the final product of human activity, and the final justification for all the misery, the endless toil and the frustrated strivings of humanity.
Her constant complaints frustrated him deeply.
There are a lot of people who are frustrated."
The patient felt frustrated when she was told that her doctor couldn’t see her for a week.
He gets so frustrated at not being able to do things for himself any more.
The more frustrated I become, the less able I am to function in an efficient manner
After failing the driving test again, she felt immensely frustrated.
You don't know what it's like to feel completely frustrated.
2. failed
Our project failed.
You don't have to think you aren't going to make it just because others have failed.
My memory failed me. I just couldn't remember his name.
The reason why you failed is you did not try hard enough.
Police have failed to turn up any new evidence about the murder.
He failed to see the stop sign at the intersection and hit an oncoming car.
Attempts to negotiate a peace treaty failed.
Her husband, having failed to obtain promotion, retired at the age of 55.
They have both failed to find the most serious problem that has ever faced our planet.
He emphasised carrying out promises made to the people, but he failed to uphold many commitments.
The reason the Northern and Southern Dynasties had failed in their rule was that they allowed literary splendor to surpass real substance.
Some analysts consider Somalia as the failed state par excellence.
Institutions, however noble their missions, have failed to replace the family.
In the style of conceited people, he lards his sentences with ill-digested English words. A kind of failed dandy, deprived of class.
No matter how busy he was while living abroad, he never failed to write home to his parents at least once a week.