You can speak quickly and fast without thinking. No thinking about grammar rules. The words will come out of your mouth automatically and easily.

不假思索，你就可以轻松地说英语，不需要去思考语法规则，单词也会轻松地从你的嘴巴里蹦出来！

youdao

But Kunjamon is from a new and fast growing community from south India who have come quickly in large numbers, they are Catholics and speak a different language so they don't have too much in common with the established Indian community.

BBC: Nightmare experiences of Indian immigrants in Belfast