两手放松放在大腿上，手心向上。
Rest your hands comfortably on your thighs with palms facing upwards.
在美国，人们通过手心向上移动手指向某人打招呼。
In the United States, people beckon someone to come by holding the palm up and moving the fingers toward our body.
手心向下是助人，手心向上是求人；助人快乐，求人痛苦。
We help others with our palms down, and we ask for help with our palms up. Helping brings happiness, begging brings pain.
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