"strong attempt" is correct and usable in written English.
You can use it when you want to describe a bold effort at achieving something. For example: "The team made a strong attempt to win the tournament, but came up just short."
In my judgment there's been a very strong attempt to do so at Guantánamo.
It helped Mr McCain's surprisingly strong attempt to unseat him.Even now, the doubts have been eroded, not erased.
It could make all the difference, so make a strong attempt at a solid and interesting statement.
If the Yankees fail to get either power hitter, they may make a strong attempt to acquire Baltimore's B. J. Surhoff.
Instead, expect the Yankees to make a strong attempt at signing the free-agent right fielder Manny Ramirez, who wants more than $15 million a year.
He was Shin-Soo Choo, the Reds' center fielder, and if the Mets really want to contend sometime soon, they should make a strong attempt to sign him as a free agent after the season.
It seems as if they've been hard at work trying to add a star from Spain's La Liga, making strong attempts at Joan Verdu, Javier Saviola and Obafemi Martins.
"Awarding the Nobel Peace Prize to Liu Xiaobo once again reflects the strong attempts of Western countries to intervene in the political process in China," the commentary stated.
But, like the defrosted alien in the 1982 Antarctic research-themed film "The Thing," the rumor has survived for years despite strong attempts to put it to rest.
"Awarding the Nobel Peace Prize to Liu Xiaobo once again reflects the strong attempts of Western countries to intervene in the political process in China," said a commentary that ran this month in the official newspaper People's Daily.
For billionaires to get together and throw massive amounts of money to try to counter an essentially grassroots movement that is being supported by civil society and by student activists only reinforces that message that it is the strong attempting to strangle the weak".
