Idiom 1: Dream about
The correct usage for the idiom is: 'dream about'.
Meaning of the Idiom: To have mental pictures about something
Have a look at the correct and incorrect usage examples:
Correct Usage: All my childhood, I have dreamt about world tour.
Incorrect Usage: All my childhood, I have dreamt of world tour.
Idiom 2: Dwindle away
The correct usage for the idiom is: 'dwindle away'
Meaning of the Idiom: become lesser or smaller
Have a look at the correct and incorrect usage examples:
Correct Usage: Her memory has started to dwindle away.
Incorrect Usage: Her memory has started to dwindle through/up/by.
Idiom 3: Either x or y
The correct usage for the idiom is: 'either x or y'
Meaning of the Idiom: Either this or that
Have a look at the correct and incorrect usage examples:
Correct Usage: I will either buy a car or a bungalow.
Incorrect Usage: I will either buy a car and a bungalow.
Idiom 4: Elect as
The correct usage for the idiom is: 'elect as'
Meaning of the Idiom: To select someone by ballot or some other form of counting
Have a look at the correct and incorrect usage examples:
Correct Usage: He is elected as the new vice president of the society.
Incorrect Usage: He is elected to be the new vice president of the society.
Idiom 5: Elect to
The correct usage for the idiom is: 'elect to'
Meaning of the Idiom: to select someone
Have a look at the correct and incorrect usage examples:
Correct Usage: He was elected to the office by the general members.
Incorrect Usage: He was elected for the office by the general members.
Make sure you revise these articles every now and then so that you do not forget what you learn. Frequent use of idioms expands your word power and will surely help to grow your vocabulary database exponentially.