Meet a foreigner for the first time 第一次认识外国人;
例句:
What do you say when you meet a foreigner for the first time?

(图片来自网络侵删)
你和一个外国人第一次碰面时,你说什么?
相关介绍foreigner的例句:
You don't sound like a foreigner talking English.
你听起来不像外国人在说英语。
I have always been regarded as a foreigner by the local folk.
当地人总把我视为外地人。
Italians always see me as a foreigner.
意大利人总是把我当成外国人。
Li Hua met a foreigner on his way home.
李华在回家的路上遇到了一个外国人。