He grabbed at a protrusion of rock with his right hand.

他用右手抓住了一块凸起的岩石。

《柯林斯英汉双解大词典》

Here's his arm! 'holding up, with his right hand, his own left arm.

这是他的手臂！他用右手托起自己的左臂。

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We can see from the picture that a leopard, with his right hand bleeding, went into a clinic.

从图中我们可以看到一只美洲豹带着流血的右爪走进了一家诊所。

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Fingers on his left hand track the words on a small hardcover Bible while he methodically writes with his right hand.

WSJ: Unlikely NY scribe handwrites Good Book in 4 years

Holding the mike with his right hand, Yorke raised his left hand and began to shimmy, dipping his shoulders back and forth.

NEWYORKER: Atomic Clock

In one drill, Curry has to perform a series of between-the-leg and behind-the-back dribbles while catching and throwing a tennis ball with his right hand.

WSJ: Two Things Stephen Curry Does Better Than You