teeny-weeny

I'll just have a teeny-weeny piece of cake.我只要很小一块蛋糕。

Aren't you even a teeny-weeny bit jealous?你难道一丁点儿都不嫉妒？

a teeny-weeny little house/bug小小的房子；细小的虫子

(humorous) I like the car, too, but there's just one teeny-weeny little problem: we can't afford it!我也喜欢那辆车，但就是有个小小的问题：我们买不起！