λεπταῖς ἐπὶ ῥοπῆσιν ἐμπολὰς μακρὰς ἀεὶ παραρρίπτοντες → staking distant ventures on nice balancings
incapably: P. and V. κακῶς, φαύλως, P. ἀδυνάτως.