μοῦνοι Ἑλλήνων δὴ μουνομαχήσαντες τῷ Πέρσῃ → alone of all Greeks we met the Persian singlehandedly, alone of all Greeks having fought singlehanded with the Persians
P. and V. σπουδῇ, P. σπουδαίως, ἐντόνως, συντόνως.
eagerly: P. and V. προθύμως.