He slammed the counter with the flat of his hand.

他用手掌猛击柜台。

《柯林斯英汉双解大词典》

When she arrived at the large department store, she sat in front of an empty counter. She rested her hand upon the counter.

她来到大型百货商店，坐在一个空柜台前，一只手搁在柜台上。

youdao

On the other hand, certain of Mr.Jobs's uncompromising principles with computers such as wanting 'to make the inside beautiful' ran counter to more practical impulses.

另一方面，乔布斯对电脑某些毫不妥协的原则有时也会不切实际，例如他希望苹果电脑内部也美观亮丽。

youdao

She rested her hand upon the counter.

VOA: special.2009.09.05

The southpaw sensation has perfected a short and stunning right-hook counter to the left jab as well as a taser-like left-hand counter.

WSJ: Radio City Fight Night

However, Mayweather, who struggled to penetrate De la Hoya's guard in the early exchanges, came to life in the fifth, making De la Hoya's knees sag with a crisp right-hand counter.

BBC: Mayweather overcomes De la Hoya

This move leaves your opponent exposed and enables you to stay in a position to counter punch with either hand.

BBC: DEFENCE