搭讪外国人可以采用以下几种方法：
使用常见的开场白
"Hi, I'm [你的名字]。你看起来好眼熟，我们之前见过吗？"
"I'm a bit lost. Can you help me find [某个地方]？"
"I really like your [衣服/配饰]，请问在哪里可以买到？"
提问
"Where did you grow up？"
"Do you have any pets？"
"What's your favorite food？"
找到共同点
"You look like someone I know. Haven't we met before？"
"I noticed you're into [对方的爱好或兴趣]，我也很喜欢这个。你平时喜欢做什么？"
幽默
"How much does a polar bear weigh？"（足够破冰!）
"I lost my number, can I have yours？"（幽默而直接）
直接但礼貌
"I'd love to practice my English with you. Would you mind？"
"I'm here to learn more about your culture. Can you tell me about your country？"
利用环境
"Hi, I live in the building next door. We have game nights. Would you like to join？"
"Excuse me, I'm at the English corner this Friday. Would you like to give a little talk？"
注意文化差异
不同国家的人可能有不同的交流习惯，确保你的言行适合对方的文化背景。
保持自信和微笑
自信地打招呼，保持微笑，直视对方的眼睛，这样可以让对方感到舒适和欢迎。
记得，搭讪时要尊重对方，如果对方不愿意交谈，要立即停止。保持轻松和友好的态度，不要给对方压力