ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
grin as a dog: Ar. σαίρειν; see also laugh.
grin at: Ar. ἐγχάσκειν (dat.).
