Then, with clarity, I saw a thin arm waving weakly a few yards away.

然后我清楚地看到一只细小的手臂在离我几码处微弱地挥动着。

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"I can!" shouted Eric, wildly waving his arm in the air.

“我能！”埃里克喊道，他激动地挥舞着手臂。

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Think that using a finger to call people to express an insult, while the right palm of the hand gestures should be down, waving all the fingers or arm.

认为用一个手指去召唤人是表示对人的侮辱，而正确的手势应该是手心向下，挥动所有的手指或手臂。

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Let's get somebody. There's a guy waving an arm out there.

我们换个人吧,那个在挥手的人

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The room exploded into arm waving and excited jabbering and the terp was overwhelmed.

NPR: Sergeant Notes Odd Rituals of War in Afghanistan

The gestures could be either big ones like arm waving, or subtle ones like tapping your finger on your thigh or coffee table.

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Even so, his conclusions about our near-certain doom have him grinning like a know-it-all at math camp, an arm waving eagerly in the air as he beats the other kids to the grim answer.

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