Unsuccessfully

He tried unsuccessfully to domineer over his office workers.

She waited unsuccessfully for any signs of life in her friend.

Tom struggled unsuccessfully.

Tom tried, unsuccessfully, to smile.

After unsuccessfully attempting to fix her computer's browser, Christine had enough of it! Feeling drained, she slammed the lid of the laptop shut determined to be done with the volatile thing!

I tried unsuccessfully to persuade her.

The alchemist tried unsuccessfully to convert quicksilver into gold.

William tried unsuccessfully to save Sandra.

I unsuccessfully tried to translate this sentence into Toki Pona.

He’s like more successful but equally morally abhorrent right-wing undercover operative James O’Keefe’s non-union Mexican equivalent, a dunce whose one move involves incompetently attempting to frame figures of seemingly unimpeachable moral integrity, like Robert Mueller or good old Mayor Pete, as deviant sex criminals like Wohl’s God Donald Trump by unsuccessfully trying to get people to come forward with bogus sexual assault allegations.