I would like to get a tattoo saying, "a force to be reckoned with" in Irish-Gaelic. Any help on translations would be so greatly appreciated.
Thank you very much in advanced,
Erin

Am I right in thinking that this refers to you personally ? if so I suggest - Is deacair mé a threascairt - which means - it's difficult to knock me down, but wait for confirmation and other ideas from the others.