The phrase "an exceptional effort to" is correct and usable in written English.
It can be used to describe a significant or outstanding attempt to achieve something.
Example: "The team made an exceptional effort to complete the project ahead of schedule."
Alternatives: "a remarkable attempt to" or "an outstanding endeavor to".
The outers' pretence that striking a unilateral deal with America will be better than being that bridge looks thin indeed, when the president makes such an exceptional effort to keep us inside.
Moscovici caused a stir last September when he said the French were fed up with increasing tax bills, while Hollande was exhorting people to make an exceptional effort to drag the country out of the economic mire.
"It's (even) taking an exceptional effort to play for Cookstown at the minute".
It will take an exceptional effort to restore the relationship between the GM and the CEO.
And the £18million man responded with a quite exceptional effort to keep out Juan Mata's free-kick in the final seconds of stoppage time to secure a thrilling 3-3 draw.
After not being involved this year, Mulligan says that it would take an "exceptional effort" from him to restart an inter-county career.
"It's an exceptional effort from Serita to be where she is currently because less than 18 months ago I was having conversations with the doctors in Germany about an athlete who may never walk again," he told BBC Sport.
The fixture list was unkind to the new Arsenal manager and Pep Guardiola's team duly continued where they left off last season, winning with something to spare and providing confirmation that it will require an exceptional effort from any other team to deny them another league title.
The fountains stand in an eight-acre paved plaza, filled with 415 trees: they are all the same size, which required an exceptional effort of selecting and nurturing.
Crosby scored a record-tying sixth goal to start a playoff game, yet was upstaged by Malkin, the N.H.L. regular-season scoring leader, during an exceptional effort that also gave Malkin the playoff scoring lead, 25-24, over Crosby.
