世界真小啊！翻译成英文

1.How small the world is!
2.What a small world!
3.It's such a small world.
4.The world is so small.
（初级英语翻译）

It is a small world Small world!
美国人常说的
很对中国胃口

the world is very small

the world is so small !

Small world really (世界真小)

what a small world!