单挑的英文是one-on-one和singled out。
例句：
1、比赛以单挑的方式进行。
The competition is going in a one-on-one manner.
2、他的进攻选择中，大概有三分之一是单挑，快攻、挡拆、接球投篮，低位背打各占十分之一。
Gets about a third of his offensive one-on-one, with fast breaks, pick and rolls, spot ups, and post ups accounting for another tenth each.
3、把她单挑出来进行批评。
She was singled out for criticism.
4、你为什么单挑这件事批评呀？
Why have you singled out this incident for criticism?
5、这个夏天，他用5万美元挑战凯里·欧文，进行一对一单挑。
This summer he challenged Kyrie Irving to a$ 50,000 game of one-on-one.
Johnhockson
