The phrase "attempt either" is correct and usable in written English.
It can be used when discussing options or choices, indicating that one can try one of two alternatives.
Example: "If you are unsure about which method to use, you can attempt either approach to see which one yields better results."
Alternatives: "try one of the two" or "make an effort with either".
Attempt either of those and mi casha su casha.
There was no attempt either at my level or several levels below to cover it up.
"There was no attempt either at my level or several levels below me to cover it up," he said.
If such deficits were to add materially to the average debt burden, investors might fret that governments will attempt either to inflate away their debts or to pass them on to other countries, so will demand higher rates from all borrowers as protection.
They attempt either to rebut the claims of the sociologists or to reconcile the demonstration of the role of interests in science with its ultimate rationality.
They attempt either to clearly indicate the structural elements of the systems or to point out the processes and relationships between elements of the systems.
According to Tanzania National Parks, Kilimanjaro attracts 50,000 climbers a year, up 25% from 2008 and about 50 times the number attempting either Everest or Denali (formerly Mount McKinley) in Alaska.
Often, too, 20th-century dictators in Latin America allied themselves with a particular social class, attempting either to maintain the interests of established economic groupings or to press social reforms.
Those are my personal favorite climbs in Yosemite – by which I mean I've never attempted either, or any mountain climbing at all because that seems terrifying.
Various bio-sheet grafts have been attempted either to accelerate healing of artificial ulcers or to prevent adverse events after endoscopic submucosal dissection (ESD), but neither prospective nor mechanistic studies were available.
By drastically restricting exports–a clear violation of its World Trade Organization obligations it is attempting either to give its own manufacturers an enormous advantage over foreign competitors or to force foreign competitors to move production to China.
