The phrase "after two efforts" is correct and usable in written English.
You can use it to indicate that something was attempted twice before achieving a result or making a decision.
Example: "After two efforts to fix the issue, we finally decided to replace the entire system."
Alternatives: "following two attempts" or "after two tries".
After two efforts that were scrapped as amateur, he came through with "Steamboat Willie", which had the luck to make shrewd use of the new device of sound.
In an news conference in Albuquerque, Ms. Zaffirini and her Democratic colleagues promised to continue their struggle against redistricting from out of state -- where they are safe from arrest if the governor commands them to attend a third special session after two efforts were thwarted -- and attacked Mr. Whitmire.
After two efforts of his own, first for MTV and then a syndicated show from Paramount, Stewart was in the running for the "Late Night" spot on NBC that went to Conan O'Brien, balked at NBC's "Later" slot at 1 30 a.m., and then signed a deal with David Letterman's production company, Worldwide Pants, to host a 1 30 show following Tom Snyder.
After three efforts to fix it since 1956, they say, the restoration cost would be sending good money down the pipes after bad.
Meanwhile, digging in a different trench on Thursday, the scoop at the end of the Phoenix's robotic arm hit a hard surface — possibly a hard icy layer — that did not yield after three efforts.
Steenson did boot Exeter ahead after his first two efforts skewed wide, however the three points were immediately followed by a Gloucester try.
Jamie Cureton equalised with his 250th career league goal but, after Mansfield had two efforts cleared off the line, Brown's 12-yard strike earned victory.
The visitors came into the game and Marcus Maddison nearly gave them the lead when his effort hit the woodwork, after two earlier efforts went wide.
After two dismal efforts, so there should be.
The studio would be cautious of going down that path again, after two previous efforts, from the directors Ang Lee and Louis Leterrier, failed to strike much of a chord with fans.
The impressive McCarry completed a tally of 0-6 aftwo two more efforts from play which complemented the scoring hauls of Watson and McCloskey.
