The technique I'm talking about is actually the exact opposite: the "backhand grip forehand shot" is done by using a backhand to return a shot (usually a drive or a smash) on your forehand side.

而是恰恰相反，“反手正打”是利用反手握拍去回击冲着你的中路和正手位的抽杀和重力扣杀的来球。

youdao

By employing the seemingly miraculous backhand painting technique, the art compacts the universe into a small space.

它用神奇的内部反手画法将乾坤融于方寸之间。

youdao

Traditionally, penhold players use only one side of the paddle, however, the Chinese have developed a new technique where both sides of the paddle are used (the reverse penhold backhand).

BBC: There are two main ways to hold a table tennis paddle or bat.