sin vacilar
From LSJ
ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
Spanish > Greek
ἀδιαστρέπτως, ἀνενδοίαστος, ἀσφαλῶς, ἀσφαλέως, ἀτρεμέως, ἀδίστακτος, ἀπροφάσιστος
ξυνῆλθεν ἀτταγᾶς τε καὶ νουμήνιος → birds of a feather flock together, the francolin and the new-moon bird get together
ἀδιαστρέπτως, ἀνενδοίαστος, ἀσφαλῶς, ἀσφαλέως, ἀτρεμέως, ἀδίστακτος, ἀπροφάσιστος