Senses
回手 to reach back
To turn around or reach behind one's body with the hand.
回手 to hit back
To return a blow; to strike back in retaliation
回手 to take back a move
To take back a piece just played in a game such as chess
回手 to signal a price
In old trade practice, to communicate a price secretly by grasping fingers inside a sleeve
回手 with a turn of the hand
To do something immediately following another action with a quick turn of the hand
回手 to raise a price
To increase an offer or price during negotiations