bitterly
From LSJ
ἐν δὲ τοῖς φυσικοῖς ἀεὶ οὕτως, ἂν μή τι ἐμποδίσῃ → in natural products the sequence is invariable, if there is no impediment | now with that which is natural it is always thus if there is no impediment
ἐν δὲ τοῖς φυσικοῖς ἀεὶ οὕτως, ἂν μή τι ἐμποδίσῃ → in natural products the sequence is invariable, if there is no impediment | now with that which is natural it is always thus if there is no impediment
painfully: P. and V. λυπηρῶς, πικρῶς, ἀλγεινῶς, V. λυπρῶς.
of cold: use exceedingly.
in a hostile way: P. ἐχθρῶς, πολεμίως.
cruelly: P. and V. πικρῶς, P. σχετλίως, ὠμῶς, Ar. and P. χαλεπῶς.