Crossing your index and middle fingers won't bring you good luck in Vietnam. There, crossed fingers symbolize a part of the female anatomy and can be considered very rude when flashed at another person.

Avoid Using In: Vietnam.

在越南，交叠你的食指和中指不会给你带来好运。在那里，手指却交叉着象征女性的一部分，对另一个人做这个动作可以认为是非常粗鲁的。

在越南时请避免使用。

Rocking out at a metal show or tossing up hook 'em horns (with your hand in a fist and index and pinky finger extended) is a bad idea inItaly, Spain, Portugal, Brazil, and Colombia. In these countries, the University of Texas' signature hand gesture can be used to indicate that someone's wife has been unfaithful.

Avoid Using In: Italy, Spain, Portugal, Brazil, and Colombia.

在意大利、西班牙、葡萄牙、巴西和哥伦比亚，在重金属音乐会上摇摆做出这个手势（握起拳头并伸出食指和小指）真是个不好的想法。在这些国家，德克萨斯大学标志手势可以用来表示某人的妻子对他不忠。

在意大利、西班牙、葡萄牙、巴西和哥伦比亚请避免使用。

Don't hail a cab or wave someone over to you with your palm facing up in South Korea. That's how Koreans summon their dogs. The proper way to wave is to move your hand up and down vertically with your palm facing down.

Avoid Using In: South Korea.

在韩国，在叫出租车和向人挥手时别把掌心对着他人。这是韩国人叫他们的狗时的动作。打招呼的正确方法是将你的手掌心朝下地上下垂直挥动。

在韩国时请避免使用。