nonchalance in Russian
nonchalance in Russian
беззабо́тность
Indifference, unconcern; carelessness; coolness; disregard, detachment.
безразли́чие
Indifference, unconcern; carelessness; coolness; disregard, detachment.
небре́жность
Indifference, unconcern; carelessness; coolness; disregard, detachment.