"aim on" is not a construction that is used in written English.
The phrase you are looking for is "aim at". For example, "I aim at becoming a successful business owner."
This week, the "gutsy" ones took aim on the doings at the University of Missouri.
He had dead aim on the leaders".
Sometimes he would practice his aim on his younger sister.
I just aim on pleasing my market, and anything else is a bonus," he says.
But here's my advice for the rest of you: take dead aim on the rich boys.
The aim on each side is killing people and occupying their territory.
To stop the hemorrhaging, the market's owners, including took immediate aim on expenses.
So Erdoğan's first aim on Monday was about retaining maximum power for his Justice and Development party (AKP).
And by the end of the tournament's second day, Singh had taken dead aim on his second green jacket.
Mr. Obama took aim on Wednesday at Mrs. Clinton's claim that she is a seasoned hand in foreign policy.
Navigation engineers had good news: Spirit's aim on Mars was almost perfect, requiring no last-day course corrections.
