She went to the aid of a man trapped in his car.
He applied for financial aid for college.
If you have any trouble with something do not hesitate [i]n requesting my aid. (Certificate in Advanced English; C1; Spanish)
Emergency aid was sent to the flood victims.
Another thing which they say is that in the past they gave aid to poorer countries for different projects. (International English Language Testing System; C1; Panjabi)
She walks with the aid of a cane.
The newest computer can handle data that human brains cannot and therefore all scientific research [is] carried out with the aid of computers. (Certificate in Advanced English; C1; Chinese)
teaching aids such as books and videos
A good dictionary can be a useful aid to understanding a new language.
In particular, the magazine could be considered as a rather good additional aid for someone studying the Greek language and culture. (Certificate in Advanced English; C1; Greek)
The project is designed to aid the homeless.
He was aided in his research by his knowledge of Greek.
This kind of bad publicity will not aid the hospital in any way, but will instead keep people away from future events. (Certificate in Advanced English; C1; Swedish)