ἡ ὑπόστασίς μου ὡσεὶ οὐθὲν ἐνώπιόν σου → my life is as nothing in respect to you, my life is nothing in thy reckoning
a sound: V. ἀντιφθέγγεσθαι, ἀνταλαλάζειν; see echo.
reecho (a sentiment): use P. and V. ἐπαινέω, ἐπαινεῖν; see approve.