She landed a punch on his chin.

她对着他的下巴揍了一拳。

《牛津词典》

You have got a parry, in any case, so parry with one forearm and attack simultaneously with the knee and disengaged hand (chin jab or punch to the jaw).

在任何情况下你都需要格挡闪避，那么就用一侧的前臂偏转格挡，同时用膝盖或空着的另一只手进攻(掌跟打下颌或拳击)。

youdao

He gave him a punch on the chin.

他一拳打在他的下巴上。

youdao

Bogut, who received a technical foul in Game 3 for daring Denver's big man to punch him on the chin during a face-to-face altercation, stared back at McGee while backpedalling down court.

NPR: Curry Leads Warriors Past Denver 115-101 In Game 4

George lands a punch on Biff's chin and knocks the bully unconscious.

FORBES: Magazine Article

Raymond Dupree, 68, who has denied murder, said he intended to punch Ryan King on the chin and had no memory of having a glass in his hand.

BBC: Murder accused Raymond Dupree had 'no memory' of glassing