The old man attempted to swim five kilometers.
It is no use trying to escape.
He tried to kill himself but it ended in failure.
He failed in his attempt to swim the river.
He tried to concentrate on the letter.
Jim has been trying to take me out to dinner for the last three weeks.
The third point to make is that Emmet attempted to harmonize his theory with the reality of designing.
He tried to act cheerfully, but we all knew how sad he felt.