two persons / a couple, pair / (poetic) the two of us, we two

a fight, a physical confrontation / a quarrel, a verbal dispute

to quarrel with; to argue with; to fight with (not militarily)

surprising, unexpected

a relationship / terms, as in friendly or hostile

double room

unexpectedness

a space / a while; an interval; (when followed by に) meanwhile / between / during

the other day, a recent time

while; during