Sie suchten nach: what can i do to save (Russisch - Latein)

what can i do to save
quid possum facere nisi

what can we do
quid faciamus

i do
et ego operor

i do not care
ego non curo

to be strong, to save
valere, salvere

i do not fear i avoid a
caveo non timeo

i do not understand what this means,
non capio, quid est