estar enfermo
From LSJ
ὥσπερ λίθοι τε καὶ πλίνθοι καὶ ξύλα καὶ κέραμος, ἀτάκτως μὲν ἐρριμμένα οὐδὲν χρήσιμά ἐστιν → just as stones and bricks, woodwork and tiles, tumbled together in a heap are of no use at all (Xenophon, Memorabilia 3.1.7)
Spanish > Greek
ἀδρανέω, διανοσέω, ἀρρωστέω, ἐνοχλέω, δυσχρηστέω, ἀσθενέω, ἀλυσθαίνω, ἀσθενῶς ἴσχειν, ἀσθενῶς ἔχειν, δυσπραγέω