A detective was hired by the jealous woman to find her boyfriend who had abandoned her.
Although my neighbor has bought a luxury car, I'm not jealous of him.
The butcher keen knife...
My dog has a keen sense of smell.
They had to abandon the city due to a dangerous virus outbreak.
She had to abandon the idea of going to university because she was poor.
a vacant apartment
I put my coat on a vacant seat.
oath of office = مراسم سوگند (مثلا رییس جمهور)
In court, she took the oath to tell the whole truth.
My aunt never hurts anybody's feelings because she uses tact.
Your friends would never get annoyed if you use tact and thoughtfulness.
My brother took an oath to remain a bachelor.
Before the wedding, all his friends had a party.
Coming from Alaska, She was unaccustomed to Florida's hot summer.
The pilot took a gallant oath to save his friend.
He is so gallant that he always gives his seat in a subway train to ladies.
I'm trying to qualify for a position which is vacant now in our office.
You have to be over 160 cm to qualify as a policeman.